A heating element of a hot plate on an electric cooking range draws 12 amperes from 240 V mains. How many kWh of energy will be consumed in one hour and 15 minutes 

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Answer :

A heating element of a hot plate on an electric cooking range draws 12 amperes from 240 V mains. 3.2 kWh of energy will be consumed in one hour and 15 minutes. 

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