Physics · Electromagnetism
What can happen if a heavy load excessively slows down a running electric motor?
- 1The motor immediately stops drawing any current
- 2The reduction in back emf can lead to a dangerously high current that may burn the motor✓
- 3The motor continues to operate normally with lower resistance
- 4The back emf increases to dangerous levels
Correct answer
The reduction in back emf can lead to a dangerously high current that may burn the motor
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