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If an electric motor uses 50 kj of energy to do 46 kj of work, how efficient is it
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15 votes
If an electric motor uses 50 kj of energy to do 46 kj of work, how efficient is it

User Ghost Echo
by
3.2k points

1 Answer

8 votes

Answer:

8%

Step-by-step explanation:

Efficiency = 1 - Q1/Q2

= 1 - 46/50

= 1 - 0.92

= 0.08

= 8%

User Latika Agarwal
by
3.3k points
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