Mathematics · Current Electricity
A metal rod connected across a fixed potential difference generates heat at a rate of P. If its resistance is halved while keeping the potential difference constant, what will be the new rate of heat generation?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 14P
- 22P✓
- 3P
- 4P/2
Correct answer
2P
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