Question

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

Answer 1

Answer:

4:1

Explanation:we know that h is equal to I square RT