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When a 100 W, 240 V bulb is operated at ...

When a 100 W, 240 V bulb is operated at 200 volt, the current in it is -

A

0.35 A

B

0.42 A

C

0.50 A

D

0.58 A

Text Solution

Verified by Experts

The correct Answer is:
A

`R=(V^(2))/(P)=((240)^(2))/(100)=576Omega`

i=`(V)/(R )=(200)/(576)`=0.35A
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