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

A 400W immersion heater is used to heat a liquid of mass 0.5kg. lf the temperature of the liquid increases by 2.5oC 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.

Correct answer is B

No explanation has been provided for this answer.