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An alternating voltage given as, V=100sq...

An alternating voltage given as, `V=100sqrt(2)sin100t` V is applied to a capacitor of `1muF`. The current reading of the ammeter will be equal to ................ mA.

A

10

B

20

C

40

D

80

Text Solution

Verified by Experts

The correct Answer is:
A
`X_(C) = (1)/(omega c) = (1)/( 2 pi f C)`
`= (1)/(100 xx 10 ^(-6)) = 10^(4) Omega `
Cureent `(I_(rms)) = (V_(rms))/(X_(C)) = (100 sqrt(2))/( sqrt(2) xx 10 ^(4)) = 10 ^(-2) A `
`rArr I_(rms) = 10 mA`
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