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What is the frequency of a two pole machine having n=50?

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in Basic Electrical Engineering by (88.7k points)
What is the frequency of a two pole machine having n=50?

(a) 100Hz

(b) 200Hz

(c) 50Hz

(d) 25Hz

This question was addressed to me in semester exam.

I need to ask this question from Relationship between Frequency, Speed and Number of Pole Pairs topic in division Alternating Voltage and Current of Basic Electrical Engineering

1 Answer

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Right answer is (c) 50Hz

To elaborate: For a two pole machine, p=1.

f=pn = 1*50 = 50Hz.

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