Question

4. Two conducting wires of the same material and of equal lengths and equal diameters are
(d) 25W
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 (c) 1:4
(d) 4:1​

Answer 1

Answer:

(c) 1:4

Step-by-step explanation:

4. Two conducting wires of the same material and of equal lengths and equal diameters are

(d) 25W

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 (c) 1:4

(d) 4:1