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Manipal MET2020PhysicsCurrent Electricity

An electric current of 2 A passes through a wire of resistance 25 . How much heat will be generated in 1 min ?

Options

  1. A6 10^3 ~J
  2. B3.6 10^3 ~J
  3. C0.6 10^3 ~J
  4. D0.36 10^3 ~J

Correct answer

A. 6 10^3 ~J

Step-by-step solution

Given, I=2.0 ~A R=25 =1 ~min =60 ~s Heat produced, H=I^2 R t aligned & =(2)^2 25 60 & =4 25 60 ~J & =6 10^3 ~J aligned

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