Transmitter Online Exam Quiz
Transmitter GK Quiz. Question and Answers related to Transmitter. MCQ (Multiple Choice Questions with answers about Transmitter
A signal that __ must have linear power amplifier.
Options
A : is complex
B : has variable frequency
C : is linear
D : has variable amplitude
Automatic Level Control (ALC) is used to keep the modulation index close to 100%.
Options
A : TRUE
B : FALSE
C : -
D : -
AVC stands for __
Options
A : Abrupt Voltage Control
B : Audio Voltage Control
C : Automatic Volume Control
D : Automatic Voltage Control
Baseband compression produces __
Options
A : a small range of frequencies from low to high
B : a small range of different phases
C : a small range of angles
D : a small range of amplitude
Transmitters are designed usually to derive a load impedance of __
Options
A : 50 ohms resistive
B : 150 ohms resistive
C : 250 ohms resistive
D : 500 ohms resistive
What is Carrier swing?
Options
A : Frequency deviation
B : Width of sideband
C : Instantaneous frequency
D : Total variation in frequency
What is the maximum transmission efficiency?
Options
A : 67.88%
B : 33.33%
C : 73%
D : 54.03%
What is the role of Amplitude limiter in the FM receiver?
Options
A : Filteration
B : Adjust the gain of receiver
C : Amplify a weaker signal
D : Demodulate a signal
What is the role of the transmitter in the communication system?
Options
A : to decode a signal to be transmitted
B : to convert one form of energy into other
C : to detect and amplify information signal from the carrier
D : to produce radio waves to transmit data
What we called a resistor if a transmitter is connected to a resistor instead of an antenna?
Options
A : a test load
B : a temporary load
C : a dummy load
D : a heavy load