.
0
0.5
0.7
1
Audio frequency control
Automatic frequency control
Amplitude frequency control
None of these
Radio transmitter
TV
Radio receiver
Radar
RF to IF down converter
IF to RF converter
Either (a)&(b)
None of these
RF to IF down converter
IFto RF converter
Either (a)&(b)
None of these
Electromagnetic waves in optical frequency
Electromagnetic waves in maximum frequency
Electromagnetic waves in minimum frequency
None of these
diode
PIN photo diode
Transistor
none of these
Amplitude modulated
Phase modulated
Frequency modulated
None of these
Constant
Increased
Decreased
None of these
constant
increased
decreased
none of these
Lesser
Either lesser or larger
Larger
None of these
Transmitter
Receiver
Channel
antennas
Amplified
Multiplied
Demodulated
Modulated
transducer
Receiver
Line
None of these
Sound waves
Micro waves
Mini waves
None of these