1.

State the law which governs the amount of heatproduced in a metallic conductor when current ispassed through it for a given time. Express this lawmathematically2CBSE 2007

Answer»

Heat produced is directly proportional to the square of the current, time t through which the current flown and resistance of the conductor. The heat produced is independent of the direction of current.

H ∝ I^2 x R x t



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