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Question

An alternating voltage E=2002sin(100 t)  is connected to a 1 microfarad capacitor through an ac ammeter. The reading of the ammeter shall be
  1. 10 mA
  2. 20 mA
  3. 40 mA
  4. 80 mA


Solution

The correct option is B 20 mA
Reading of ammeter = irms=VrmsXC=V0ωC2
=2002×100×(1×106)2=2×102A=20 mA

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