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Heat is being supplied at a constant rat...

Heat is being supplied at a constant rate to the sphere of ice which is melting at the rate of 0.1 gm/s. It melts completely in 100 s. The rate of rise of temperature thereafter will be

A

`0.4"^(@)C//s`

B

`2.1"^(@)C//s`

C

`3.2"^(@)C//s`

D

`0.8"^(@)C//s`

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