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Home
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Electricity and Magnetism
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Alternating Current
» Question
Alternating Current
Easy Questions
Electricity and Magnetism
Current Electricity
Moving Charges and Magnetism
Magnetism and Matter
Electromagnetic Induction
Alternating Current
Electromagnetic Waves
In an ac circuit an alternating voltage e = 200√
2
sin 100 t volts is connected to a capacitor of capacity 1 µF. The r.m.s. value of the current in the circuit is
10 mA
100 mA
200 mA
20 mA
Correct Option:
D
V
rms
=
200√
2
= 200V
√
2
I
rms
=
V
rms
=
200/1
= 2 x 10
-2
= 20 mA
X
c
100 x 10
-6
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