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If voltage across a bulb rated 220 volt-...

If voltage across a bulb rated 220 volt-100 watt drops by `2.5 %` of its value, the percentage of the rated value by which the power would decrease is

A

`20%`

B

`2.5%`

C

`5%`

D

`10%`

Text Solution

Verified by Experts

The correct Answer is:
C
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