Hz

F/A/V

1. Unit for measuring frequency of d signal; formerly called "cycles per second."

2. cycles per second of an electrical signal.

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WikiV

The standard unit for measuring frequency. One hertz (abbreviated Hz) equals one cycle per second. It is commonly used to measure sound waves, light waves and radio waves.

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RadioPP

Cycles per second; unit of electromagnetic frequency. (named after Heinrich Hertz).