When traveling through any type of medium, a signal always experiences some loss of its power due to friction. This loss of power, or loss of signal strength, is called ____.
a. amplification
b. friction
c. decibel
d. attenuation
Answer: D
When traveling through any type of medium, a signal always experiences some loss of its power due to friction. This loss of power, or loss of signal strength, is called ____.
a. amplification
b. friction
c. decibel
d. attenuation