Physics, 31.07.2019 05:00 waterdrop026
Plzz me which best compares a brush and a commutator in an electric motor? a) both rotate when the motor is on. b) both carry electrical current from a power source. c) both remain stationary when the motor is on. d) both have a permanent magnetic field.
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Plzz me which best compares a brush and a commutator in an electric motor? a) both rotate when th...
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