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The current flowing through a circuit of...

The current flowing through a circuit of resistance `109Omega` and an inductance of 0.5 H connected to an A.C. supply of 1`00 V and 50 Hz in series is

A

0.25 A

B

0.5232 A

C

0.75 A

D

0.85 A

Text Solution

Verified by Experts

The correct Answer is:
B
`X_(L)=2pifL=2xx3.14xx50xx0.5`
`=157Omega`
`Z=sqrt(R^(2)+X_(L)^(2))`
`=sqrt(109^(2)+(157)^(2))=191.12Omega`
`I=(e)/(Z)=(100)/(191.12)=0.5232A`
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