Physics · Current Electricity
Two conducting wires of the same material and of equal lengths and equal diameters are first connected in parallel and then in series in a circuit across the same potential difference. The ratio of heat produced in the parallel combination to that in the series combination is:
- 11 : 4
- 21 : 2
- 34 : 1✓
- 42 : 1
Correct answer
4 : 1
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