![In a dc motor, the ratio of back emf to supply emf is an indication of its](https://www.gkseries.com/blog/wp-content/uploads/2022/02/In-a-dc-motor-the-ratio-of-back-emf-to-supply-emf-is-an-indication-of-its.png)
Q. In a dc motor, the ratio of back emf to supply emf is an indication of its
A. Efficiency
B. Speed regulation
C. Starting torque
D. Running torque
Answer: Efficiency
A. Efficiency
B. Speed regulation
C. Starting torque
D. Running torque
Answer: Efficiency
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