A Motor with a Coil Resistance of 12

question 4

Multiple Choice

A motor with a coil resistance of 12.4 Ω is attached to a voltage supply of 66.4 V.What is the current in the motor when it is running at its maximum speed with a back emf of 22.6 V?

• A)zero
• B)3.53 A
• C)7.18 A
• D)5.35 A
• E)543 A

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