an electric heater takes 1.2kwh in 30 minutes at 120 volts having an efficiency of 99%. the heat energy required to boil a certain amount of water is 99kj if the current taken by the heater is 24 amps at 120 volts. Find the time required to boil the water
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heater takes 1.2kwh in 30 minutes at 120 volt having an efficiency of 99/ the heat energy required to boil a certain amount of 24 is 99kj if taken by the heater is take 24 amps at 120 volts.
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