Physics 12th Std (TN 12th Physics English Medium)

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Physics 12th Std

Book Back Solution


12th Physics : Electrostatics: Multiple choice questions with answers [View Solution]
12th Physics : Electrostatics: Questions and Answers [View Solution]
12th Physics : Electrostatics: Exercises and Example Solved Problems [View Solution]
12th Physics : Current Electricity: Multiple Choice Questions with Answer [View Solution]
12th Physics : Current Electricity: Questions and Answers [View Solution]
12th Physics : Current Electricity: Exercises and Example Solved Numerical problems [View Solution]
12th Physics : Magnetism and Magnetic Effects of Electric Current: Multiple choice questions [View Solution]
12th Physics : Magnetism and Magnetic Effects of Electric Current: Questions and Answers [View Solution]
12th Physics : Magnetism and Magnetic Effects of Electric Current: Exercises and Example Solved Numerical problems [View Solution]
12th Physics : Electromagnetic Induction and Alternating Current: Multiple Choice Questions [View Solution]
12th Physics : Electromagnetic Induction and Alternating Current: Questions and Answers [View Solution]
12th Physics : Electromagnetic Induction and Alternating Current: Exercises and Example Solved Numerical problems [View Solution]
12th Physics : Electromagnetic Waves: Multiple choice questions [View Solution]
12th Physics : Electromagnetic Waves: Questions and Answers [View Solution]
12th Physics : Electromagnetic Waves: Exercises and Example Solved Numerical problems [View Solution]
12th Physics : Suggested Questions for the Practical Examination [View Solution]
12th Physics : UNIT 6 : Ray Optics : Multiple choice questions [View Solution]
12th Physics : UNIT 6 : Ray Optics : Short Answer Questions [View Solution]
12th Physics : UNIT 6 : Ray Optics : Long Answer Questions [View Solution]
12th Physics : UNIT 6 : Ray Optics : Conceptual Questions [View Solution]
12th Physics : UNIT 6 : Ray Optics : Book Back Numerical Problems [View Solution]
12th Physics : UNIT 6 : Ray Optics : Solved Example Numerical Problems [View Solution]
12th Physics : UNIT 6 : Ray Optics : All Numerical Problems of Ray Optics [View Solution]
12th Physics : UNIT 7 : Wave Optics : Multiple choice questions [View Solution]
12th Physics : UNIT 7 : Wave Optics : Short Answer Questions [View Solution]
12th Physics : UNIT 7 : Wave Optics : Long Answer Questions [View Solution]
12th Physics : UNIT 7 : Wave Optics : Conceptual Questions [View Solution]
12th Physics : UNIT 7 : Wave Optics : Book Back Numerical Problems [View Solution]
12th Physics : UNIT 7 : Wave Optics : Solved Example Numerical Problems [View Solution]
12th Physics : UNIT 8 : Dual Nature of Radiation and Matter : Multiple Choice Questions [View Solution]
12th Physics : UNIT 8 : Dual Nature of Radiation and Matter : Short Answer Questions [View Solution]
12th Physics : UNIT 8 : Dual Nature of Radiation and Matter : Long Answer Questions [View Solution]
12th Physics : UNIT 8 : Dual Nature of Radiation and Matter : Exercise Numerical problems [View Solution]
12th Physics : UNIT 8 : Dual Nature of Radiation and Matter : Solved Example Numerical problems [View Solution]
12th Physics : UNIT 9 : Atomic and Nuclear Physics : Multiple Choice Questions [View Solution]
12th Physics : UNIT 9 : Atomic and Nuclear Physics : Short answer questions [View Solution]
12th Physics : UNIT 9 : Atomic and Nuclear Physics : Long answer questions [View Solution]
12th Physics : UNIT 9 : Atomic and Nuclear Physics : Numerical Exercises Problems [View Solution]
12th Physics : UNIT 9 : Atomic and Nuclear Physics : Example Solved Numerical Problems [View Solution]
12th Physics : UNIT 10a : Semiconductor Electronics : Multiple choice questions [View Solution]
12th Physics : UNIT 10a : Semiconductor Electronics : Short Answer Questions [View Solution]
12th Physics : UNIT 10a : Semiconductor Electronics : Long Answer Questions [View Solution]
12th Physics : UNIT 10a : Semiconductor Electronics : Exercise Numerical Problems [View Solution]
12th Physics : UNIT 10a : Semiconductor Electronics : Example Solved Numerical Problems [View Solution]
12th Physics : UNIT 10b : Communication Systems : Multiple Choice Questions [View Solution]
12th Physics : UNIT 10b : Communication Systems : Short answers [View Solution]
12th Physics : UNIT 10b : Communication Systems : Long Answers [View Solution]
12th Physics : UNIT 11 : Recent Developments in Physics : Multiple Choice Questions [View Solution]
12th Physics : UNIT 11 : Recent Developments in Physics : Short answers [View Solution]
12th Physics : UNIT 11 : Recent Developments in Physics : Long Answers [View Solution]

Exam Time Table

Online 1 mark test [Chapter, Subject wise - Practice Test]

Public and Model Question Papers


TN 12th Physics Public Exam Question Paper 2020 March [PDF Download] (English and Tamil Medium) [Download PDF]
TN 12th Physics Model Question Paper 19 Set 1 [PDF Download] (English Medium) [Download PDF]
TN 12th Physics Model Question Paper 19 Set 2 [PDF Download] (English Medium) [Download PDF]
TN 12th Physics Model Question Paper 19 Set 3 [PDF Download] (English Medium) [Download PDF]
TN 12th Physics Model Question Paper 20 [PDF Download] (English Medium) [Download PDF]
TN 12th Physics Public Exam Full Portion Model Question 1 [PDF Download] (English Medium) [Download PDF]
TN 12th Physics Public Exam Full Portion Model Question 2 [PDF Download] (English Medium) [Download PDF]
TN 12th Physics Public Exam Full Portion Model Question 3 [PDF Download] (English Medium) [Download PDF]
TN 12th Physics Public Exam Full Portion Model Question 4 [PDF Download] (English Medium) [Download PDF]
TN 12th Physics Public Exam Full Portion Model Question 5 [PDF Download] (English Medium) [Download PDF]
TN 12th Physics Public Exam Full Portion Model Question 6-10 [PDF Download] (English Medium) [Download PDF]
TN 12th Physics Public Exam Question Paper 2020 March with Answer Key [PDF Download] (English Medium) [Download PDF]
TN 12th Physics Public Exam Question Paper 2022 May with Answer Key [PDF Download] (English Medium) [Download PDF]
TN 12th Physics Public Exam Question Paper March 2019 with 1 mark Answer Key [PDF Download] (English Medium) [Download PDF]
TN 12th Government Public Model Question for all subject (Both Tamil and English Medium) Part I - Question Papers Download [Download PDF]
TN 12th Government Public Model Question for all subject (Both Tamil and English Medium) Part II - Question Papers Download [Download PDF]

Revision Question Papers


TN 12th Physics 1st Revision Exam Question Paper 2021-2022 - Erode District [PDF Download] (English Medium) [Download PDF]
TN 12th Physics 1st Revision Exam Question Paper 2021-2022 - Madurai District [PDF Download] (English Medium) [Download PDF]
TN 12th Physics 1st Revision Exam Question Paper 2021-2022 - Salem District [PDF Download] (English Medium) [Download PDF]
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TN 12th Physics 1st Revision Exam Question Paper 2021-2022 Q3 [PDF Download] (English Medium) [Download PDF]
TN 12th Physics 1st Revision Exam Question Paper 2021-2022 with Answer - Thiruvannamalai District [PDF Download] (English Medium) [Download PDF]
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TN 12th Physics 1st Revision Exam Question Paper 2022-2023 with Answer Key - Thoothukudi District [PDF Download] (English Medium) [Download PDF]
TN 12th Physics 2nd Revision Exam Question Paper 2021-2022 - Kanchipuram District [PDF Download] (English Medium) [Download PDF]
TN 12th Physics 2nd Revision Exam Question Paper 2021-2022 Model Q1 [PDF Download] (English Medium) [Download PDF]
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TN 12th Physics 2nd Revision Exam Question Paper 2021-2022 Q2 with Answer [PDF Download] (English Medium) [Download PDF]
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TN 12th Physics 2nd Revision Exam Question Paper 2022-2023 - Madurai District [PDF Download] (English Medium) [Download PDF]
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12th Physics



12th Physics : UNIT 1 : Electrostatics

Electrostatics
Historical background of electric charges
Basic properties of charges
Coulomb s Law
Coulomb s Law: Superposition principle
Coulomb s Law - Solved Example Problems
Electric Field
Electric field due to the system of point charges
Electric field due to continuous charge distribution
Electric field lines
Electric Field and Electric Field Lines: Solved Example Problems
Electric dipole
Electric field due to a dipole
Torque experienced by an electric dipole in the uniform electric field
Electric Dipole : Solved Example Problems
Electrostatic Potential energy and Electrostatic potential
Electric potential due to a point charge
Electrostatic potential at a point due to an electric dipole
Equi-potential Surface
Relation between electric field and potential
Electrostatic potential energy for collection of point charges
Electrostatic potential energy of a dipole in a uniform electric field
Electrostatic Potential and Potential Energy: Solved Example Problems
Electric Flux
Electric flux for closed surfaces
Gauss law
Applications of Gauss law
Electric Flux, Gauss Law: Solved Example Problems
Conductors at electrostatic equilibrium
Electrostatic shielding
Electrostatic induction
Dielectrics or insulators
Induced Electric field inside the dielectric
Dielectric strength
Electrostatic induction: Solved Example Problems
Capacitors
Capacitance of a parallel plate capacitor
Energy stored in the capacitor
Applications of capacitors
Effect of dielectrics in capacitors
Capacitor in series and parallel
Capacitors and Capacitance: Solved Example Problems
Distribution of charges in a conductor
Distribution of charges in Action at points or Corona discharge
Lightning arrester or lightning conductor
Van de Graaff Generator
Distribution of Charges in a Conductor and Action at Points: Solved Example Problems
Electrostatics: Summary and Formulas
Electrostatics: Multiple choice questions with answers
Electrostatics: Questions and Answers
Electrostatics: Exercises and Example Solved Problems

12th Physics : UNIT 2 : Current Electricity

Introduction
Electric Current
Conventional Current
Drift velocity
Microscopic model of current
Electric Current: Solved Example Problems
Ohm s Law
Resistivity
Resistors in series and parallel
Color code for Carbon resistors
Temperature dependence of resistivity
Ohm s Law: Solved Example Problems
Energy and Power in Electrical Circuits
Energy and Power in Electrical Circuits: Solved Example Problems
Electric Cells and Batteries
Electric Cells and Batteries: Solved Example Problems
Kirchhoff s first rule (Current rule or Junction rule)
Kirchhoff s Second rule (Voltage rule or Loop rule)
Wheatstone s bridge
Meter bridge
Potentiometer
Comparison of emf of two cells with a potentiometer
Measurement of internal resistance of a cell by potentiometer
Kirchhoff s Rules: Solved Example Problems
Heating Effect of Electric Current
Joule s law
Application of Joule s heating effect
Heating Effect of Electric Current, Joule s law: Solved Example Problems
Thermoelectric Effect
Seebeck effect
Peltier effect
Thomson effect
Current Electricity: Summary
Current Electricity: Multiple Choice Questions with Answer
Current Electricity: Questions and Answers
Current Electricity: Exercises and Example Solved Numerical problems

12th Physics : UNIT 3 : Magnetism and Magnetic Effects of Electric Current

Introduction to Magnetism
Earth s magnetic field and magnetic elements
Basic properties of magnets
Introduction to Magnetism: Solved Example Problems
Coulomb s Inverse Square Law of Magnetism
Coulomb s Inverse Square Law of Magnetism: Solved Example Problems
Torque Acting on a Bar Magnet in Uniform Magnetic Field
Potential energy of a bar magnet in a uniform magnetic field
Tangent law and Tangent Galvanometer
Torque Acting on a Bar Magnet in Uniform Magnetic Field: Solved Example Problems
Magnetic Properties
Magnetic Properties: Solved Example Problems
Classification of Magnetic Materials
Hysteresis
Applications of hysteresis loop
Hysteresis: Solved Example Problems
Magnetic Effects of Current
Maxwell s right hand cork screw rule: Solved Example Problems
Biot - Savart Law
Definition and explanation of Biot- Savart law
Magnetic field due to long straight conductor carrying current
Magnetic field produced along the axis of the current carrying circular coil
Current loop as a magnetic dipole
Magnetic dipole moment of revolving electron
Biot- Savart law: Solved Example Problems
Ampere s Circuital Law
Definition and explanation of Amp re s circuital law
Magnetic field due to the current carrying wire of infinite length using Ampere s law
Solenoid
Magnetic field due to a long current carrying solenoid
Toroid
Ampere s Circuital Law: Solved Example Problems
Lorentz Force
Force on a moving charge in a magnetic field
Motion of a charged particle in a uniform magnetic field
Motion of a charged particle under crossed electric and magnetic field (velocity selector)
Cyclotron
Force on a current carrying conductor placed in a magnetic field
Force between two long parallel current carrying conductors
Lorentz Force: Solved Example Problems
Expression for torque on a current loop placed in a magnetic field
Moving coil galvanometer
Conversion of galvanometer into ammeter and voltmeter
Torque on a current loop: Solved Example Problems
Magnetism and Magnetic Effects of Electric Current: Summary
Magnetism and Magnetic Effects of Electric Current: Multiple choice questions
Magnetism and Magnetic Effects of Electric Current: Questions and Answers
Magnetism and Magnetic Effects of Electric Current: Exercises and Example Solved Numerical problems

12th Physics : UNIT 4 : Electromagnetic Induction and Alternating Current

Electromagnetic Induction
Magnetic Flux
Faraday s Experiments on Electromagnetic Induction
Lenz s law
Fleming s right hand rule
Motional emf from Lorentz force
Motional emf from Faraday s law and Energy conservation
Eddy Currents
Application of eddy currents
Electromagnetic Induction: Solved Example Problems
Eddy Currents
Self-inductance of a long solenoid
Mutual induction
Mutual inductance between two long co-axial solenoids
Eddy Currents, Self-inductance, Mutual inductance: Solved Example Problems
Methods of Producing Induced Emf
Solved Example Problems on Methods of Producing Induced Emf
AC Generator
Single phase AC generator
Three phase AC generator
Advantages of three-phase alternator
Advantages of stationary armature-rotating field alternator
Construction and working Principle of transformer
Energy losses in a transformer
Advantages of AC in long distance power transmission
Illustration and Solved Example Problems on Advantages of AC in long distance power transmission
Power system at a glance
Alternating Current (AC)
Mean or Average value of AC
RMS value of AC
AC circuit containing pure resistor
AC circuit containing only an inductor
AC circuit containing only a capacitor
A capacitor blocks DC but it allows AC Why and How
AC circuit containing a resistor, an inductor and a capacitor in series - Series RLC circuit
Resonance in series RLC Circuit
Quality factor or Q factor
Solved Example Problems on Alternating Current (AC) and Circuit
Power In AC Circuits
Wattless current
Power factor
Advantages and disadvantages of AC over DC
Power in AC Circuits: Solved Example Problems
Energy conversion during LC oscillations
Conservation of energy in LC oscillations
Analogies between LC oscillations and simple harmonic oscillations
Electromagnetic Induction and Alternating Current: Summary
Electromagnetic Induction and Alternating Current: Multiple Choice Questions
Electromagnetic Induction and Alternating Current: Questions and Answers
Electromagnetic Induction and Alternating Current: Exercises and Example Solved Numerical problems

12th Physics : UNIT 5 : Electromagnetic Waves

Electromagnetic Waves
Displacement current and Maxwell s correction to Ampere s circuital law
Maxwell s equations in integral form
Solved Example Problems on Displacement current and Maxwell s correction to Ampere s circuital law
Electromagnetic Waves: Definition
Production and properties of electromagnetic waves - Hertz experiment
Sources of electromagnetic Waves
Electromagnetic spectrum
Measuring the speed of light using the microwave oven
Types of Spectrum-Emission and Absorption Spectrum-Fraunhofer Lines
Electromagnetic Waves: Summary
Electromagnetic Waves: Multiple choice questions
Electromagnetic Waves: Questions and Answers
Electromagnetic Waves: Exercises and Example Solved Numerical problems

12th Physics : Practical

Specific Resistance of the Material of the Coil Using Metre Bridge
Horizontal Component of Earth s Magnetic Field Using Tangent Galvanometer
Magnetic Field Along the Axis of a Circular Coil-Determination of BH
Refractive Index of the Material of the Prism
Wavelength of the Constituent Colours of a Composite Light Using Diffraction Grating and Spectrometer
Voltage-Current Characteristics of a PN Junction Diode
Voltage-Current Characteristics of a Zener Diode
Characteristics of a NPN-Junction Transistor in Common Emitter Configuration
Verification of Truth Tables of Logic Gates Using Integrated Circuits
Verification of De Morgan s Theorems
Suggested Questions for the Practical Examination

12th Physics : UNIT 6 : Ray Optics

Ray Optics
Spherical Mirrors
Speed of Light
Refraction
Effects due to total internal reflection
Refraction in glass slab
Refraction at Single Spherical Surface
Thin Lens
Prism
Summary, Concept Map
Multiple choice questions
Short Answer Questions
Long Answer Questions
Conceptual Questions
Book Back Numerical Problems
Solved Example Numerical Problems
All Numerical Problems of Ray Optics

12th Physics : UNIT 7 : Wave Optics

Wave Optics
Theories on Light
Wave Nature of Light
Interference
Interference: Phase difference and path difference
Interference: Coherent sources
Young s double slit experiment
Interference with polychromatic light and in thin films
Diffraction
Fresnel and Fraunhofer diffractions
Diffraction at single slit
Fresnel s distance
Difference between interference and diffraction
Diffraction in grating
Experiment to determine the wavelength of monochromatic light
Determination of wavelength of different colours
Resolution
Polarisation
Polarisation Techniques
Optical Instruments
Simple microscope
Compound microscope
Astronomical telescope
Terrestrial telescope
Reflecting telescope
Spectrometer
The eye
Summary, Concept Map
Multiple choice questions
Short Answer Questions
Long Answer Questions
Conceptual Questions
Book Back Numerical Problems
Solved Example Numerical Problems

12th Physics : UNIT 8 : Dual Nature of Radiation and Matter

Dual Nature of Radiation and Matter
Electron emission
Hertz, Hallwachs and Lenard s observation
Effect of intensity of incident light on photoelectric current
Effect of potential difference on photoelectric current
Effect of frequency of incident light on stopping potential
Laws of photoelectric effect
Concept of quantization of energy
Particle nature of light: Einstein s explanation
Photo electric cells and their applications
Photo Electric Effect: Example Numerical Problems
Wave nature of particles
De Broglie wave length of electrons
Davisson - Germer experiment
Electron Microscope
Wave nature of particles: Example Solved Numerical Problems
X-Rays
Summary, Concept Map
Multiple Choice Questions
Short Answer Questions
Long Answer Questions
Exercise Numerical problems
Solved Example Numerical problems

12th Physics : UNIT 9 : Atomic and Nuclear Physics

Atomic and Nuclear Physics
Electric Discharge Through Gases
Determination of specific charge (e m) of an electron - Thomson s experiment
Determination of charge of an electron - Millikan s oil drop experiment
Atom Models
J J Thomson s Model (Water melon model)
Rutherford s model
Bohr atom model
Atomic spectra
Nuclei
Composition of nucleus
Isotopes, isobars, and isotones
Atomic and nuclear masses
Size and density of the nucleus
Mass defect and binding energy
Binding energy curve
Nuclear Force
Radioactivity
Radioactivity: Alpha decay
Radioactivity: Beta decay
Radioactivity: Gamma decay
Law of radioactive decay
Half-life
Carbon dating
Discovery of Neutrons
Nuclear Fission
Nuclear Fusion
Summary, Concept Map
Multiple Choice Questions
Short answer questions
Long answer questions
Numerical Exercises Problems
Example Solved Numerical Problems

12th Physics : UNIT 10a : Semiconductor Electronics

Semiconductor Electronics
Energy band diagram of solids
Classification of materials
Types of Semiconductrors
P-N Junction formation
P-N Junction diode
Characteristics of a junction diode
Diode: Rectification
Diode: Breakdown mechanism
Zener diode
Optoelectronic devices using Diodes
The Bipolar Junction Transistor BJT
Transistor circuit configurations of BJT
Transistor action in the common base mode
Static Characteristics of Transistor in Common Emitter Mode
Transistor as a switch
Operating Point
Transistor as an amplifier
Transistor as an oscillator
Digital Electronics
Analog and Digital Signals
Logic gates
Boolean Algebra
De Morgan s Theorem
Integrated Chips
Summary, Concept Map
Multiple choice questions
Short Answer Questions
Long Answer Questions
Exercise Numerical Problems
Example Solved Numerical Problems

12th Physics : UNIT 10b : Communication Systems

Communication Systems
Modulation
Amplitude Modulation (AM)
Frequency Modulation (FM)
Phase Modulation (PM)
Elements of an Electronic Communication System
Basic Definitions in Electronic Communication System
Bandwidth of Transmission System
Antenna Size
Propagation of Electromagnetic Waves
Ground Wave Propagation
Sky Wave Propagation
Space Wave Propagation
Satellite Communication
Fibre Optic Communication
Radar and its Applications
Mobile Communication
Internet
Global Positioning System
Application of Information and Communication Technology in Agriculture, Fisheries and Mining
Summary, Concept Map
Multiple Choice Questions
Short answers
Long Answers

12th Physics : UNIT 11 : Recent Developments in Physics

Recent Developments in Physics
Nanoscience and Nanotechnology
Robotics
Physics in medical diagnosis and therapy
Summary, Concept Map
Multiple Choice Questions
Short answers
Long Answers

12th Physics



12th Physics : UNIT 1 : Electrostatics

Electrostatics
Historical background of electric charges
Basic properties of charges
Coulomb s Law
Coulomb s Law: Superposition principle
Coulomb s Law - Solved Example Problems
Electric Field
Electric field due to the system of point charges
Electric field due to continuous charge distribution
Electric field lines
Electric Field and Electric Field Lines: Solved Example Problems
Electric dipole
Electric field due to a dipole
Torque experienced by an electric dipole in the uniform electric field
Electric Dipole : Solved Example Problems
Electrostatic Potential energy and Electrostatic potential
Electric potential due to a point charge
Electrostatic potential at a point due to an electric dipole
Equi-potential Surface
Relation between electric field and potential
Electrostatic potential energy for collection of point charges
Electrostatic potential energy of a dipole in a uniform electric field
Electrostatic Potential and Potential Energy: Solved Example Problems
Electric Flux
Electric flux for closed surfaces
Gauss law
Applications of Gauss law
Electric Flux, Gauss Law: Solved Example Problems
Conductors at electrostatic equilibrium
Electrostatic shielding
Electrostatic induction
Dielectrics or insulators
Induced Electric field inside the dielectric
Dielectric strength
Electrostatic induction: Solved Example Problems
Capacitors
Capacitance of a parallel plate capacitor
Energy stored in the capacitor
Applications of capacitors
Effect of dielectrics in capacitors
Capacitor in series and parallel
Capacitors and Capacitance: Solved Example Problems
Distribution of charges in a conductor
Distribution of charges in Action at points or Corona discharge
Lightning arrester or lightning conductor
Van de Graaff Generator
Distribution of Charges in a Conductor and Action at Points: Solved Example Problems
Electrostatics: Summary and Formulas
Electrostatics: Multiple choice questions with answers
Electrostatics: Questions and Answers
Electrostatics: Exercises and Example Solved Problems

12th Physics : UNIT 2 : Current Electricity

12th Physics : UNIT 3 : Magnetism and Magnetic Effects of Electric Current

Introduction to Magnetism
Earth s magnetic field and magnetic elements
Basic properties of magnets
Introduction to Magnetism: Solved Example Problems
Coulomb s Inverse Square Law of Magnetism
Coulomb s Inverse Square Law of Magnetism: Solved Example Problems
Torque Acting on a Bar Magnet in Uniform Magnetic Field
Potential energy of a bar magnet in a uniform magnetic field
Tangent law and Tangent Galvanometer
Torque Acting on a Bar Magnet in Uniform Magnetic Field: Solved Example Problems
Magnetic Properties
Magnetic Properties: Solved Example Problems
Classification of Magnetic Materials
Hysteresis
Applications of hysteresis loop
Hysteresis: Solved Example Problems
Magnetic Effects of Current
Maxwell s right hand cork screw rule: Solved Example Problems
Biot - Savart Law
Definition and explanation of Biot- Savart law
Magnetic field due to long straight conductor carrying current
Magnetic field produced along the axis of the current carrying circular coil
Current loop as a magnetic dipole
Magnetic dipole moment of revolving electron
Biot- Savart law: Solved Example Problems
Ampere s Circuital Law
Definition and explanation of Amp re s circuital law
Magnetic field due to the current carrying wire of infinite length using Ampere s law
Solenoid
Magnetic field due to a long current carrying solenoid
Toroid
Ampere s Circuital Law: Solved Example Problems
Lorentz Force
Force on a moving charge in a magnetic field
Motion of a charged particle in a uniform magnetic field
Motion of a charged particle under crossed electric and magnetic field (velocity selector)
Cyclotron
Force on a current carrying conductor placed in a magnetic field
Force between two long parallel current carrying conductors
Lorentz Force: Solved Example Problems
Expression for torque on a current loop placed in a magnetic field
Moving coil galvanometer
Conversion of galvanometer into ammeter and voltmeter
Torque on a current loop: Solved Example Problems
Magnetism and Magnetic Effects of Electric Current: Summary
Magnetism and Magnetic Effects of Electric Current: Multiple choice questions
Magnetism and Magnetic Effects of Electric Current: Questions and Answers
Magnetism and Magnetic Effects of Electric Current: Exercises and Example Solved Numerical problems

12th Physics : UNIT 4 : Electromagnetic Induction and Alternating Current

Electromagnetic Induction
Magnetic Flux
Faraday s Experiments on Electromagnetic Induction
Lenz s law
Fleming s right hand rule
Motional emf from Lorentz force
Motional emf from Faraday s law and Energy conservation
Eddy Currents
Application of eddy currents
Electromagnetic Induction: Solved Example Problems
Eddy Currents
Self-inductance of a long solenoid
Mutual induction
Mutual inductance between two long co-axial solenoids
Eddy Currents, Self-inductance, Mutual inductance: Solved Example Problems
Methods of Producing Induced Emf
Solved Example Problems on Methods of Producing Induced Emf
AC Generator
Single phase AC generator
Three phase AC generator
Advantages of three-phase alternator
Advantages of stationary armature-rotating field alternator
Construction and working Principle of transformer
Energy losses in a transformer
Advantages of AC in long distance power transmission
Illustration and Solved Example Problems on Advantages of AC in long distance power transmission
Power system at a glance
Alternating Current (AC)
Mean or Average value of AC
RMS value of AC
AC circuit containing pure resistor
AC circuit containing only an inductor
AC circuit containing only a capacitor
A capacitor blocks DC but it allows AC Why and How
AC circuit containing a resistor, an inductor and a capacitor in series - Series RLC circuit
Resonance in series RLC Circuit
Quality factor or Q factor
Solved Example Problems on Alternating Current (AC) and Circuit
Power In AC Circuits
Wattless current
Power factor
Advantages and disadvantages of AC over DC
Power in AC Circuits: Solved Example Problems
Energy conversion during LC oscillations
Conservation of energy in LC oscillations
Analogies between LC oscillations and simple harmonic oscillations
Electromagnetic Induction and Alternating Current: Summary
Electromagnetic Induction and Alternating Current: Multiple Choice Questions
Electromagnetic Induction and Alternating Current: Questions and Answers
Electromagnetic Induction and Alternating Current: Exercises and Example Solved Numerical problems

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12th Physics : UNIT 8 : Dual Nature of Radiation and Matter

12th Physics : UNIT 9 : Atomic and Nuclear Physics

12th Physics : UNIT 10a : Semiconductor Electronics

12th Physics : UNIT 10b : Communication Systems

12th Physics : UNIT 11 : Recent Developments in Physics




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