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An alternating current of frequency 'f' ...

An alternating current of frequency `'f'` is flowing in a circuit containing a resistance `R` and a choke `L` in series. The impedence of this circuit is

A

`R+2pifL`

B

`sqrt(R^(2)+4pi^(2)f^(2)L^(2))`

C

`sqrt(R^(2)+L^(2))`

D

`sqrt(R^(2)+2pifL)`

Text Solution

Verified by Experts

The correct Answer is:
B
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