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The reactance of a coil when used in the...

The reactance of a coil when used in the domestic AC power supply `(220V,50cycl es)` is `100ohm`. The self inductance of the coil is nearly

A

`3.2` henry

B

`0.32 henry`

C

`2.2 henry`

D

`0.22 henry`

Text Solution

Verified by Experts

The correct Answer is:
B
Reactance =`2pivLimplies 100Omega=2xx22/7xx50xL`
`:. L=0.32 henry`
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