A parallel plate capacitor of capacitance 20 μ F is being charged by a voltage source whose potential is…

A parallel plate capacitor of capacitance 20 μF is being charged by a voltage source whose potential is changing at the rate of 3 V s-1. The conduction current through the connecting wires, and the displacement current through the plates of the capacitor would be, respectively:
  1. zero, 60 μA
  2. 60 μA, 60 μA
  3. 60 μA, zero
  4. zero, zero

Solution

q=CV
dqdt=Cdvdt
=20×10-6×3
Conduction current =60 μA
Displacement current =ε0dϕedt
=ε0AddVdt
=60 μA

Asked in: MHT CET Full Test 4

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