6.
What happens to a radio wave as it passes from one medium into another medium and changes
direction?
A.
It is refracted
B.
It is attenuated
C.
It is absorbed
D.
It is diffracted
7.
Varying the RF power output of a transmitter at an audio rate is what?
A.
Frequency modulation
B.
Phase modulation
C.
Sideband modulation
D.
Amplitude modulation
8.
What is the process of superimposing voice or Morse code signals on a carrier wave?
A.
B.
Modulation
C.
D.
1-17
SS0130
Previous Page
