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An are lamp requires a direct current of...

An are lamp requires a direct current of 10A at 80V to function. If it is connected to a 220V(rms), 50 Hz AC supply, the series inductor needed for it to work is close to:

A

`80 H`

B

`0.08 H`

C

`0.044 H`

D

`0.065 H`

Text Solution

Verified by Experts

The correct Answer is:
4
`I_("rms") = (E_("rms"))/(z)`
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