Question B.30: The speed of an AC electric motor a. Is independent of the f...
The speed of an AC electric motor
a. Is independent of the frequency.
b. Is directly proportional to the square of the frequency.
c. Varies directly with the number of poles.
d. Varies inversely with the number of poles.
e. None of the above.
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The speed varies inversely with the number of poles and directly with the frequency. Thus, d is the correct answer.
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