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Question: Answered & Verified by Expert
A 30 μF capacitor is connected to a 150 V, 60 Hz  AC supply. The RMS value of current in the circuit is
PhysicsAlternating CurrentNEET
Options:
  • A 17 A
  • B 1.7 A
  • C 1.7 mA
  • D 1.7 μA
Solution:
1716 Upvotes Verified Answer
The correct answer is: 1.7 A
Given that

C=30 μF=30×10-6 F

V=150 V, f=60 Hz

Irms=VXC=1501ωC

=150×ωC

=150×2πf×C

=150×2×3.14×60×30×10-6

=1.6956 A≃1.7 A

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