Answer to Question #333827 in Physics for percy

Question #333827

How much power is used by a calculator that operates on 8 volts and 0.1 amperes? If it is used for one hour, how much energy does it use?

kindly add solution thank you!

Expert's answer

"P=VI\\\\\n=\\rm 8\\: V\\times 0.1\\: A=0.8\\: W"

"W=Pt\\\\\n=\\rm 0.8\\: W\\times 3600\\: s=32727 \\: J"

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