Question

an electric motor takes 5 ampere from a 220 volt line determine the power of the motor and the energy consumed in 2 hours ​

Answer 1

Power = VI

= 5 × 220

= 1100 Watt

H = VIt

= 1100 × 2

= 2200 Joule

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Answer 2

Answer:

Electric current = 5 A

potential different = 220 V

Time = 2 x 60 x 60 = 7200

P = VI

220 x 5 V

=> 1100 w

Energy consumed by motor,

=> 1100 x 7200

=> 7.92 x 10^6 J