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## An electric motor takes 5 A from a 220 V line. Determine the power of the motor and the energy consumed in 2 h. -CBSE Physics

By:milan-ransingh

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## Answers

Solution:

Given that electric current (I) = 5A, Potential difference (V) =220V

Time (t) =2h=2×60×60s=7200s

Now Power (P) is given by the expression

P=VI=220×5watts=1100w

Now Energy consumed by the motor

H= Pt=1100×7200J=7.92 × 106 J

13priya

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