Consider a circuit containing a pure resistor of resistance R connected across an alternating voltage source.

**AC circuit containing**** ****pure resistor**

Consider a circuit
containing a pure resistor of resistance *R* connected across an
alternating voltage source (Figure 4.45). The instantaneous value of the
alternating voltage is given by

An alternating current *i*
flowing in the circuit due to this voltage, develops a potential drop across *R*
and is given by

Kirchoffâ€™s loop rule
(Refer section 2.4) states that the algebraic sum of potential differences in a
closed circuit is zero. For this resistive circuit,

where *V _{m}/R*
=

Tags : Phasor diagram, Circuit Diagram, Formula | Alternating Current (AC) , 12th Physics : Electromagnetic Induction and Alternating Current

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12th Physics : Electromagnetic Induction and Alternating Current : AC circuit containing pure resistor | Phasor diagram, Circuit Diagram, Formula | Alternating Current (AC)

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