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[" 17.An electric heater of resistance "...

[" 17.An electric heater of resistance "8Omega" draws "15" A from the service mains "2" hours."],[" Calculate the rate at which heat is developed in the heater."],[18" .Explain the following."]

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An electric heater of resistance 8 Omega draws 15 A from the service mains for 2 hours. Calculate the rate at which heat is developed in the heater.

An electric heater of resistance 8 Omega draws 15 A from the service mains for 2 hours. Calculate the rate at which heat is developed in the heater.

An electric heater of resistance 8 Omega draws 15 A from the service mains 2 hours. Calculate the rate at which heat is developed in the heater.

An electric heater of resistance 8Omega draws 15A from the service mains in 2hours. Calculate the rate at which heat is developed in the heater.