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5. What does frequency mean?​

Sagot :

Answer:

ANSWER!!!

Frequency is typically used to describe electrical equipment operation. Below are some common frequency ranges:

Power line frequency (normally 50 Hz or 60 Hz).

Variable-frequency drives, which normally use a 1-20 kilohertz (kHz) carrier frequency.

Audio frequency range: 15 Hz to 20 kHz (the range of human hearing).

Radio frequency: 30-300 kHz.

Low frequency: 300 kHz to 3 megahertz (MHz).

Medium frequency: 3-30 MHz.

High frequency: 30-300 MHz.

Explanation:

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