AC Fundamentals – 47

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47. When a sine wave has a frequency of 100 Hz in 12 s it goes through ________.

(a) 1/100 cycle
(b) 12 cycles
(c) 120 cycles
(d) 1,200 cycles

Answer
Answer : (d)
Explanation
Explanation :

Frequency measured in cycles per second (cps) or the interchangeable Hertz (Hz).
Example – 60 cps = 60 Hz.

Here, 100 Hz means 100 cycles per second or 100 cycles in 1 second.
So, 100 Hz in 12 s means 100 * 12 = 1,200 cycles in 12 second.

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