A) 20%
B) 2.5%
C) 5%
D) 10%
Correct Answer: C
Solution :
Power\[p=\frac{{{V}^{2}}}{R}\]For small variation \[\frac{\Delta P}{P}\times 100%=\frac{2\times \Delta V}{V}\times 100%\] \[=2\times 2.5=5%\] Therefore, power would decrease by 5%.You need to login to perform this action.
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