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A capacitor of capacitance 2 muF and res...

A capacitor of capacitance 2 `muF` and resistance of 100 `Omega` are connected in series and an alternating emf of frequency 1 kHz is applied across the combination. The phase difference between applied emf and current is nearly

A

`84^(@)`

B

`48^@`

C

`38^@`

D

`83^(@)`

Text Solution

Verified by Experts

The correct Answer is:
C

`X_(C)=(1)/(2pifC)=(1)/(2xx3.14xx1xx10^(3)xx2xx10^(-6))`
`=79.61Omega`
`phi=tan^(-1)((X_(C))/(R))`
`=tan^(-1)((79.61)/(100))=38^(@)31'~~38^(@)`
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