Question

4. Two conducting wires of the same material and of equal lengths and equal diameters
are first connected in series and then parallel in a circuit across the same potential
difference. The ratio of heat produced in series and parallel combinations would be -
(b) 2:1
(c) 1:4
(d) 4:1
(a) 1:2
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Answer 1

Answer:

(a) 1:2

Explanation:

Two conducting wires of the same material and of equal lengths and equal diameter are first connected in series and then parallel in a circuit across the same potential difference. The ratio of heat produced in series and parallel combinations would be