In an a.c. motor control, the ratio of voltage to frequency is ___

In an a.c. motor control, the ratio of voltage to frequency is maintained at constant value

A. to make maximum use of magnetic circuit.
B. to make minimum use of magnetic circuit.
C. to maximise the current from the supply to provide torque.
D. to minimize the current drawn from the supply to provide torque.

Show Answer

Answer: A

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