Question

4
the typical efficiency of an im motor is between:
○ a. 40% - 50%
○ b. 60% - 70%
○ c. 80% - 90%
○ d. 92% - 94%

Explanation:

Induction motors (IM motors) are known for relatively high efficiency. Based on general knowledge of electrical motor efficiencies, the typical range for IM motors is in the \(80\%-90\%\) range. Options a (\(40\%-50\%\)) and b (\(60\%-70\%\)) are too low for a well - designed IM motor. Option d (\(92\%-94\%\)) is more typical of some high - end permanent magnet motors rather than standard IM motors.

Answer:

C. \(80\%-90\%\)