Explanation Consider the resistance of the resistor be R and voltage across the circuit be V . For circuit A : The switch is closed after a long time for circuit A and the inductor will act as short circuit. So, in circuit A equivalent resistance will be equal to the resistance. The equivalent resistance of the circuit A is, R e = R Here, R e is the equivalent resistance of the circuit. The current in the circuit A is, I A = V R Here, V is the electric potential of the circuit. I is the current through the circuit. Thus, the current in circuit A is V R . For circuit B : The switch is closed after the long time and the inductor will act as short circuit. One resistance in parallel with inductor is shorted. So, in circuit B equivalent resistance will be equal to the resistance Thus, the equivalent resistance of the circuit B is, R e = R The current in the circuit B is, I B = V R Thus, the current in circuit B is V R . For circuit C : The switch is closed after the long time of the circuit C and the inductor will act as short circuit. In this case two resistances of circuit C in parallel with inductor will be shorted. So, in circuit B equivalent resistance will be equal to the resistance. Thus, the equivalent resistance of the circuit C is, R e = R The current in the circuit C is, I C = V R Thus, the current in circuit C is V R

5th Edition

ISBN: 8220103026918

Author: Walker

Publisher: PEARSON

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Chapter 23, Problem 55PCE

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The rank of given circuits in order of increasing current.

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Chapter 23, Problem 54PCE

Chapter 23, Problem 56PCE

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