Physics · DC Machines
Which of the following statements is true regarding torque and induced electromotive force (e.m.f.) in DC machines?
- 1Torque is produced only in motors and induced e.m.f. is produced only in generators
- 2Torque and induced e.m.f. are produced both in motors and generators✓
- 3Neither torque nor induced e.m.f. is produced simultaneously in either machine
- 4Torque is produced only in generators and induced e.m.f. is produced only in motors
Correct answer
Torque and induced e.m.f. are produced both in motors and generators
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