Answer to Question #75339 in Physics for Abdul wahid

Question #75339

How much does it cost to operate a 400w television for 8hours if electrical energy costs php 6.88 per kilowatt

Expert's answer

The total electrical energy used by TV
E=P×t=400 W×8 h=3200 Wh=3.2 kWh
If cost is 6.88 cents per kWh, the amount of money for electricity
3.2×6.88=22 cents

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