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Manipal MET2014PhysicsThermodynamics

Ideal gas is contained in a thermally insulated and rigid container and it is heated through a resistance 100 by passing a current of 1 A for five minutes, then change in internal energy of the gas is

Options

  1. A0 kJ
  2. B30 kJ
  3. C10 kJ
  4. D20 kJ

Correct answer

B. 30 kJ

Step-by-step solution

aligned & W=0 Q= U & Q= U=I^2 R t=1^2(100)(5 60)=30 ~kJ aligned

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