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Question

An LCR series circuit is connected to ac source. At resonance, the applied voltage and the current flowing through the circuit will have a phase difference of:

A
π/4
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B
zero
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C
π
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D
π/2
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Solution

The correct option is B zero
At resonance XL=XC so that the resistance plays in the circuit. The current & voltage are in phase So that phase difference became zero.

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