A Metal Sample of Mass M Requires a Power Input

question 28

Multiple Choice

A metal sample of mass M requires a power input P to just remain molten.When the heater is turned off, the metal solidifies in a time T.The specific latent heat of fusion of this metal is:

• A)P/MT
• B)T/PM
• C)PM/T
• D)PMT
• E)PT/M

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