A Motor Has an Internal Resistance of 12

question 70

Multiple Choice

A motor has an internal resistance of 12.0 Ω.When running,the motor has a back emf of 29 V and draws a current of 3.7 A.What is the supply voltage in this case?

• A)29 V
• B)44 V
• C)73 V
• D)15 V
• E)32 V

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