Question:

Two wires ‘A’ and ‘B’ of the same material have their lengths in the ratio 1: 2 and radii in the ratio 2: 1. The two wires are connected in parallel across a battery. The ratio of the heat produced in ‘A’ to the heat produced in ‘B’ for the same time is

Options :

  • a)1.2
  • b)2.1
  • c)1.8
  • d)8.1

Answer :

d)8.1

Answer Steps :

Step:-1

Step:-2

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