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A block of aluminum is heated electrically by a 25 W heater. if the temperature...

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Question 16

A block of aluminum is heated electrically by a 25 W heater. if the temperature rises by 10C in 5 minutes, the heat capacity of the aluminum is?

A

850 JK^-1

B

750 JK^-1

C

650 JK^-1

D

500 JK^-1

Explanation

Share Answer Heat supplied = Heat gained
P x t = C
(25 x 5 x 60)/300 = 750 JK^-1

Correct option: B

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