Question

5. 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: (a) 1:2 (b) 2:1 © 1:4 (d) 4:1 ​

Answer 1

Answer:

correct answer is 1:4

Explanation:

Since the two wires have same material, length and diameter, they have the same resistance. Let the resistance of each wire be R.

Let applied potential difference be