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Lakhmir Singh & Manjit Kaur - Physics

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Q. 104.8( 8 Votes )

An electric motor

Class 10th Lakhmir Singh & Manjit Kaur - Physics 1. Electricity

Answer :

Here current (I) = 5amp, Potential difference(V) = 220 volt, time = 2h,

We have to find

Power (P) = ?

Energy (E) = ?

We know that

P = V×I

= 220×5

= 1100 watt

= 1.1 kW

Energy consumed, E = P × t

= 1.1 × 2

= 2.2 kWh

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