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Calculate the value of the frequency if the time period of the signal is 20 sec.

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Calculate the value of the frequency if the time period of the signal is 20 sec.

(a) 0.05 Hz

(b) 0.04 Hz

(c) 0.02 Hz

(d) 0.03 Hz

I have been asked this question in semester exam.

My question is from Dynamics in portion Dynamics of Electrical Drives of Electric Drives

1 Answer

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Correct option is (a) 0.05 Hz

The explanation is: 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÷20=.05 Hz.

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