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JAMB Physics 2018 Paper

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Question : 53

Total: 87

An electric heating coil rated at 1Kw is used to heat 2kg of water for 2 minutes. The initial water temperature is 30‌oC. Taking the specific heat of the water as 4,000Jkg ‌−1 and neglecting that of the container, the final water temperature is

15.0‌oC
45.0‌oC
52.5‌oC
60.0‌oC

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