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An electric motor takes 5A from …

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An electric motor takes 5A from a 220V line. determined the power of motor of an energy consumed into 2hrs.

Posted by Rishivar Kumar Jha 7 years, 7 months ago

CBSE > Class 10 > Science

1 answers

Yogita Ingle 5 years, 4 months ago

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

1Thank You

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