campbellalexus2336 campbellalexus2336

14-05-2023
Physics

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A motor designed to operate on 120V draws a current of 33A when it first starts up. At its normal operating speed, the motor draws a current of 2.7A. What is the back emf at normal operating speed? (a) 9.8V (b) 130V (c) 110V (d) none of the above

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