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Peak value divided by the rms value gives us?

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Peak value divided by the rms value gives us?

(a) Peak factor

(b) Crest factor

(c) Both peak and crest factor

(d) Neither peak nor crest factor

I had been asked this question in a national level competition.

My question comes from Average and RMS Values of an Alternating Current in chapter Alternating Voltage and Current of Basic Electrical Engineering

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The correct option is (c) Both peak and crest factor

The explanation: Peak and crest factor both mean the same thing. Hence the peak value divided by the rms value gives us the peak or crest factor.

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