Home Physics Units, Dimensions and Measurement Dimensions The heat produced in a wire carrying an elec…
Physics Units, Dimensions and Measurement Dimensions MCQ (Single Correct)

The heat produced in a wire carrying an electric current depends on the current, the resistance and the time, Assuming that the dependence is of the product of powers type, guess an equation between these quantities using, dimensional analysis. The dimensional formula of resistance is ML2 Ι –2T–3 and heat is a form of energy.

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Ans. H = KI2Rt

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