Q

If the resistance in a circuit is doubled and the current remains constant, what happens to the amount of heat produced in the resistor over the same time period?

RRB Group D 20 Aug, 2026 (4:30 PM - 6:00 PM) 2026
✓ Answer: C It doubles
The correct choice is It doubles. It follows from the basic electrical relationship between voltage, current, resistance, charge or electrical energy described in the question.
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