Physics, 11.11.2020 17:10, Satoetoe24
An electric heater takes 1.2kwh in 30min at 120V having an efficiency of 99%.The heat energy required boil a certain amount of water is 99KJ. If the current taken by heater is 20 amp at 120V. Find the time required to boil water?
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An electric heater takes 1.2kwh in 30min at 120V having an efficiency of 99%.The heat energy require...
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