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Heat is supplied to a test tube containing 100g of ice at its melting point. The ice ...

Heat is supplied to a test tube containing 100g of ice at its melting point. The ice melts completely in 1 min.What is the power rating of the source of heat? [Latent heat of fusion of ice = 336Jg-1]

A. 336W
B. 450W
C. 560W
D. 600W




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