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An electric heater coil has a resistance of 500Ω. Calculate the time required by the coil to convert 20g of ice at -10oC to 20g of water at 0oC if a current of 50mA flows through it.

Answer»

An electric heater coil has a resistance of 500Ω. Calculate the time required by the coil to convert 20g of ice at -10oC to 20g of water at 0oC if a current of 50mA flows through it.




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