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# Number of cycles completed in one second

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1. Originally Posted by RabbleRabble
2. The number of cycles completed in one second is called the
marked incorrect

Hertz — A unit of measure for frequency. Replacing the earlier term of cycle per second (cps).
Definition from this web site.

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Originally Posted by RabbleRabble
Frequency is the rate at which something occurs or is repeated over a particular period of time or in a given sample. It is not the rate at which something occurs "per second" unless further explained as such. If you read the question It specifically calls out a defined time of one second. Were frequency can be expressed in any amount of time. EX: the frequency of (cycles per min) equals 3600. the frequency of (cycles per second) equals 60.
My point is the denominator when defining frequency is a variable not one second. The denominator in the unit Hz is defined as one second.
Just read the question " The number " so in my opinion answer is 60 Hz or just 60. They dont ask you how it calls or defenition of it

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Originally Posted by yagsman
Period: – This is the length of time in seconds that the waveform takes to repeat itself from start to finish. IE (The period for 60Hz = 0.01667s or 1/60s.)

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Originally Posted by Kxmaart
Just read the question " The number " so in my opinion answer is 60 Hz or just 60. They dont ask you how it calls or defenition of it
That wasn’t an option also not what the question was asking.

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## IEEE definition of frequency

frequency (1) The number of periods, or specified fractions of periods, per unit time.

Note the words “unit of time” not “one minute”. We have known the definition of frequency and Hz for along time.

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