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

Explanation:

Induction motors (IM motors) are known for relatively high efficiency. Lower - efficiency ranges (like 40% - 50% or 60% - 70%) are more typical of older or less - optimized motor designs. The 92% - 94% range is more characteristic of very high - efficiency or specialized motors. The typical efficiency range for a standard IM motor is in the 80% - 90% range. This is because of factors such as design optimization for common industrial and commercial applications, where a balance between cost, performance, and efficiency is achieved.

Answer:

C. 80% - 90%