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

A block of aluminum is heated electrically by a 25 W heater. if the temperature rises by 10°C in 5 minutes, the heat capacity of the aluminum is?
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A 850 JK-1
  • B 750 JK-1
  • C 650 JK-1
  • D 500 JK-1
Correct Answer: Option B
Explanation:
Heat supplied = Heat gained
P x t = C ∆ Ø
(25 x 5 x 60)/300 = 750 JK-1

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