Question

a television set operating at 220 volt and internal resistance of 400 ohm calculate its power rating how much electricity will it consume if it is switch on 5 hours

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Answer 1

Answer:power=v^2/R

Power rating =200^2/400=100watts

Electricity consume in 5hours =power *Time =100*5*60*60=1.8*10^6

Explanation:note power consumer Ed in 5 hours =energy or workdone by electric current