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April 16, 2014

Homework Help: Physics -Electricity

Posted by Anonymous on Monday, February 6, 2012 at 11:37am.

Several appliances are supplied with a potential difference of 314 V and are operated continuously for a 24 h period. How much energy is used if the appliance is a 30.0 W stereo?
Answer in units of J

How much of energy is used if the appliance is an electric oven that draws 70.0 A of current?
Answer in units of J

How much energy is used if the appliance is a television with a resistance of 10.0 ?
Answer in units of J

Any help or information on how to solve these would be greatly appreciated, Thanks!

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