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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