A vacuum cleaner is connected to a 120v socket and uses 30
A vacuum cleaner is connected to a 120V socket and uses 3.0 A when the back emf generated by the electric motor is 72 volts. What is the resistance of the coil in the motor?
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a vacuum cleaner is connected to a 120v socket and uses 30 a when the back emf generated by the electric motor is 72
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