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JEE Main 2012 Physics question

PhysicsUnits and MeasurementJEE Main 2012

The amount of heat produced in an electric circuit depends upon the current (I), resistance (R) and time (t). If the error made in the measurements of the above quantities are 2%, 1% and 1% respectively then the maximum possible error in the total heat produced will be

Answer: (3)

Solution

I^2Rt\frac{Δ H}{H}\frac{Δ I}{I}$ +

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Question ID VK-103535