Physics · Current Electricity
A metal rod is connected across a fixed potential difference and produces heat at a rate P due to the current flowing through it. If its resistance is halved while keeping the same potential difference, what happens to the rate of heat production?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It becomes four times P
- 2It becomes double of P✓
- 3It remains equal to P
- 4It becomes half of P
Correct answer
It becomes double of P
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