Questions
A parallel plate condenser of capacity 10 F is connected to an A.C. supply voltage e = 4 sin(100 t). The maximum displacement current.
a
4π mA
b
4π μA
c
2.8π mA
d
2.8 π μA
detailed solution
Correct option is A
Displacement currentid=∈0dϕdt =CdVdt =Cddt4 sin100πt =C x 4 x 100π cos100πt =400πC cos100πtid=i0cos100πt ; ∴i0=400πC =400π x 10 x 10-6 =4π mATalk to our academic expert!
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