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Water of volume 2 litre in a container is heated with a coil of 1kW at 27C. The lid of the container is open

Water of volume 2 litre in a container is heated with a coil of 1kW at 27C. The lid of the container is open and energy dissipates at rate of 160 J/s. In how much time temperature will rise from 27-C to 77 C [Given specific heat of water is 4.2 kJ/kg]: (a) 8 min 20 s (b) 6 min 2 s (c) 7 min (d) 14 min

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