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Questions  

A parallel plate condenser of capacity 100μF is connected to a resistance of  100Ω in series   and an Ac supply of voltage 4V and frequency 50π  is applied. The maximum displacement current is 

a
0.04 A
b
0.03 A
c
0.02 A
d
0.01 A

detailed solution

Correct option is A

irms=ErmsZ                       Here, Z=R2+1w2C2 Impedance= Z=1002+14π2×2500π2×100×10−62=1002 Ω Virtual current=irms=ErmsZ=41002A  ⇒i02 = 41002 ⇒i0 =0.04 A

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