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( Interactive MCQs and Quizzes for Knowledge )
A demodulator is a ____ circuit ?
A. Electronic
B. Chemical
C. Mechanical
D. ElectricalAt which of the following end demodulation takes place ?
A. Channel
B. Receiver
C. Transmitter
D. All the aboveA demodulated wave comprises of ____ wave ?
A. Data
B. Carrier wave
C. Message
D. All the aboveThe process of representing data in radio wave form is called:
A. Demodulation
B. Decryption
C. Modulation
D. All the aboveHow many communication components do digital communication system comprises of ?
A. 1
B. 2
C. 3
D. 5The process of separating original message from encrypted message is ___ process ?
A. Decryption
B. Modulation
C. Demodulation
D. Both a and cCapacitance increases with ____ .
A. Decrease in plate area
B. Increase in density of the material
C. Increase in distance between the plates
D. Decrease in distance between the platesCapacitance increases with _____ .
A. Increase in density of the material
B. Increase in plate area
C. Decrease in plate area
D. Increase in distance between the platesCapacitor preferred when there is high frequency in the circuits is _____.
A. Air capacitor
B. Glass capacitor
C. Mica capacitor
D. Electrolyte capacitorA capacitor consists of ____ .
A. Two insulators
B. Two conductors
C. Two semiconductors
D. Two dielectrics