What is the name of a device used to directly measure the frequency of a periodic wave?-A-oscilloscopeB-frequency meter or counterC-audio frequency generatorD-radio frequency generator-B-frequency meter or counter

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B frequency meter or counter It is not oscilloscope because oscilloscope can also measure non periodic wave as well as periodic wave.

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What is the name of a device used to directly measure the frequency of a periodic wave?

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Alternating Current vs Direct Current - Technical MCQs

What is the name of a device used to directly measure the frequency of a periodic wave?

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