Question

A radio technician measures the frequency of an a.m. radio transmitter. The frequency is 15876kHz. What is the frequency in megahertz? Write your answer as a decimal.

a) 15.876 MHz
b) 158.76 MHz
c) 1.5876 MHz
d) 0.15876 MHz

Answer 1

The frequency of 15876 kHz equals to 15.876 MHz after conversion.

Step-by-step explanation:

Frequency is the rate at which current changes direction per second. It is measured in hertz (Hz), an international unit of measure where 1 hertz is equal to 1 cycle per second. Hertz (Hz) = One hertz is equal to one cycle per second. Cycle = One complete wave of alternating current or voltage. The frequency of an AM radio transmitter measured in kilohertz (kHz) is 15876 kHz. To convert this measurement to megahertz (MHz), you divide the value by 1000 because there are 1000 kilohertz in one megahertz. To convert this frequency to megahertz, we divide by 1000 because 1 kHz is equal to 0.001 MHz. Therefore, the frequency in megahertz is 15.876 MHz (option a).