A 400W immersion heater is used to heat a liquid of mass 0.5kg. lf the...

WAEC 1996

A 400W immersion heater is used to heat a liquid of mass 0.5kg. lf the temperature of the liquid increases by 2.5^oC in one second, calculate the specific heat capacity of the liquid (Neglect heat losses to the surroundings)

A. 80 Jkg^-1K^-1
B. 320Jkg^-1K^-1
C. 500Jkg^-1K^-1
D. 1200J kg^-1K^-1
E. 2000J kg^-1K^-1.

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Correct Answer: Option B

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