Kilohertz is a unit which measures

A Electromagnetic radio wave frequencies
B Electric resistance
C Power used by a current of one ampere
D Voltage

Correct Answer: Electromagnetic radio wave frequencies

The hertz (Hz) is defined as one cycle per second and is a SI unit of frequency. Here kilohertz is also a unit of frequency of waves and is defined as 1000 cycles per second. Radio waves are measured in kilohertz (KHz).

 

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