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Question: Answered & Verified by Expert
In an LCR circuit, at resonance
PhysicsMagnetic Effects of CurrentKCETKCET 2015
Options:
  • A the current and voltage are in phase
  • B the impedance is maximum
  • C the current is minimum
  • D the current leads the voltage by II / \( 2 \)
Solution:
1752 Upvotes Verified Answer
The correct answer is: the current and voltage are in phase
In an LCR circuit, at resonance the inductive reactance and capacitive reactance are equal in magnitude but in opposite
direction therefore they cancel each other. Thus, at resonance the current and voltage are in phase.

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