Question

4. A bulb is labelled as 100 W/230 V and it is connected to 115 V power
supply. What will be it's power?
a) 100 W
b) 25 W
c) 12.5 W
c) 50 W
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Answer 1

Answer:

correct answer is 50w

Explanation:

p=VxI

=100/230=10/23

I=P/V=115x10/23=50

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Answer 2

Explanation:

(d) 50 w ...

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