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Calculate the value of the frequency if the time period of the signal is .2 sec.

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in Electric Drives by (99.6k points)
Calculate the value of the frequency if the time period of the signal is .2 sec.

(a) 5 Hz

(b) 4 Hz

(c) 2 Hz

(d) 3 Hz

I have been asked this question in final exam.

Question is from Induction Motors topic in section Speed Control of Direct Current Motors & Induction Motors of Electric Drives

1 Answer

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Correct choice is (a) 5 Hz

For explanation: The frequency is defined as the number of oscillations per second. It is reciprocal of the time period. It is expressed in Hz. F = 1÷T = 1÷.2 = 5 Hz.

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