1.

A current of 2A produces 200 J of heat in a wire in a given period of time. If the current is increased to 4 A, how much heat will be produced in the same time?

Answer»

n :-GIVEN :-▪ A current of 2A produces 200J of HEAT in a wire in a given period of time.To Find :-▪ How much heat will be produced in the same time, if current is increased to 4A.Concept :-▪ Formula of heat ENERGY produced by ELECTRICAL instrument in terms of current flow, resistance and time is given byH denotes heat energyI denotes current flowR denotes resistancet denotes timeCalculation :-Since R and t have constant value, we can SAY that...



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