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Calculate the value of the frequency of the AC supply in India.

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in Electric Drives by (99.6k points)
Calculate the value of the frequency of the AC supply in India.

(a) 0 Hz

(b) 50 Hz

(c) 49 Hz

(d) 60 Hz

This question was addressed to me in my homework.

This key question is from Induction Motors in chapter Speed Control of Direct Current Motors & Induction Motors of Electric Drives

1 Answer

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Correct answer is (b) 50 Hz

Best explanation: The frequency is defined as the number of oscillations per second. It is reciprocal of the time period. AC supply magnitude is variable. It changes with time so the frequency of AC supply is 50 Hz.

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