A 500 W electric heater is used to heat a 100 L tank of water with an efficiency of 100% and no heat loss. How long will it take to raise the temperature of the water by 20°C?

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A 500 W electric heater is used to heat a 100 L tank of water with an  efficiency of 100% and no heat loss. How long will it take to raise the temperature of the water by 20°C?

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The Answer of A 500 W electric heater is used to heat a 100 L tank of water with an  efficiency of 100% and no heat loss. How long will it take to raise the temperature of the water by 20°C?

A 500 W Electric Heater Is Used to Heat a 100