Multiple choice

In what unit of measurement is frequency expressed?

  1. hertz (Hz)

  2. Joules (J)

  3. Newtons (N)

  4. Amperes (amp)
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A Correct answer
Explanation

Frequency is defined as the number of cycles per second, and this unit is named the hertz (Hz) in honor of Heinrich Hertz. Joules measure energy, Newtons measure force, and Amperes measure current.

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