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It converts sound signal to electrical signal
It converts the electrical signal to a sound signal
It converts electrical signals to magnetic form
It converts sound signal to magnetic signal
Noise Reception
Low Efficiency
Low Operating range
All of the above
The signal cannot be amplified for distance communication
Because it has more noise
The length of the transmitting antenna is very small
The length of the transmitting antenna is very large
Increases
Decreases
Remains same
Both (a) and (b)
Modulation is doubled
Modulation is halved
Carrer swing is halved
The modulation index is decreased
Pulse amplitude is increased
Pulse spacing is reduced
Pulse width is increased
Repeater stations are used
Amplitude modulated
Frequency modulated
Phase modulated
Both frequency and amplitude modulated
Will bend towards normal
Will bend away from the normal
Will follow a straight path
None of these
AM Waves
FM Waves
Neither of these
VHF
HUF
MF
UHF