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Question: Answered & Verified by Expert
If wattless current flows in the AC circuit, then the circuit is :
PhysicsAlternating CurrentJEE MainJEE Main 2022 (25 Jun Shift 1)
Options:
  • A Purely Resistive circuit
  • B Purely Inductive circuit
  • C LCR series circuit
  • D RC series circuit only
Solution:
1152 Upvotes Verified Answer
The correct answer is: Purely Inductive circuit

The current in an AC circuit containing only either a capacitor or an inductor is said to be wattless as the average power is zero. As wattless current has phase difference of ϕ=90° with voltage, therefore power factor cosϕ will be zero.

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