Regarding Amplitude Modulation (AM), Which of the Following Applies

question 46

Multiple Choice

Regarding amplitude modulation (AM) , which of the following applies?

• A)a method of transmitting electromagnetic signals by varying the height of the wave
• B)can be heard at shorter distance, especially at night, than frequency modulated signals
• C)quality of signal is superior to frequency modulation
• D)quality of signal decreases the further away listeners are from a station
• E)a method of changing variations in a sound wave by varying its frequency

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Definitions:

T Lymphocytes

A type of white blood cell crucial for the body's immune response, playing a key role in fighting infections and cancer.

Thymosin

A hormone secreted by the thymus that plays a role in the development and differentiation of T cells for the immune system.

Melatonin

A hormone that helps to regulate circadian rhythms.

Erythropoietin

A hormone secreted by the kidney and responsible for regulating the production of red blood cells.