Question 1018 of 749 · Maryland Journeyperson Electrician Exam

The efficiency of a motor is found by:

Exactly one answer is correct.

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Correct answer to question 1018

  • C: Dividing output power by input power

Explanation

Efficiency is output divided by input, usually expressed as a percentage. It is always less than 100 percent because of losses such as heat and friction.

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