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What happens to the power if the current...

What happens to the power if the current is tripled with constant resistance ?

A

4 times

B

6 times

C

2 times

D

9 times

Text Solution

Verified by Experts

The correct Answer is:
D
`P=I^(2)R` So if current is tripled then the power will be 9 times.
P(new)`=(3I)^(2)R`
P(new)`=9I^(2)R`
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