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5 questions
The act of transmission and reception of information is
communication
modulation
ideas
which signal does not have information
amplitude
frequency
phase
carrier signal
which is not advantages of frequency modulation
large decrease in noise
operating range is quite llarge
requires a much wider channel
transmission efficiency is very high
The height of the antenna must be a multiple of
λ /5
λ /4
λ /3
λ /2
Any device that converts one form of energy to another is called
Electronics
Transmitter
Receiver
Transducer
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