When frequency is 50Hz, Time period is

Question

Examoogle · Accepted Answer

0.02

Explanation: Given: Frequency (f) = 50 Hz

Formula Used: $$T = \frac{1}{f}$$

Steps: Identify the relationship: The time period (T) of an alternating current wave is defined as the reciprocal of its frequency (f).. Substitute the given value: Given that frequency $f = 50 	ext{ Hz}$, substitute this value into the formula.. Calculate the result: Performing the division results in the time period in seconds.

Answer: C is correct because the reciprocal of 50 Hz frequency is 0.02 seconds.

Exam Tip: This relationship is fundamental in power systems; remember that standard grid frequency in India is 50 Hz, meaning every cycle repeats exactly every 20 milliseconds.

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