Communication System Test

Result

Communication System Test - 9

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Weekly Quiz Competition

Question 1
4 / -1

In light modulation, which characteristic of the carrier light wave is varied?

A
Amplitude

B
Frequency

C
Phase

D
Intensity
Question 2
4 / -1

Though which mode of communication can radiowaves be sent from one Plate to another?

A
Ground wave ProPagation

B
Sky wave Propagation

C
SPace wave ProPagation

D
All of the above
Question 3
4 / -1

Which range of Frequencies is Suitable for sky wave Propagation ?

A

B

C

D
Question 4
4 / -1

Which of the Following is not a component of communication System ?

A
Transmitter

B
Transmission channel

C
Noise

D
Receiver
Question 5
4 / -1

Device which transform one form of energy in to another form of energy is called a ___________

A
Transducer

B
Transformer

C
Transponder

D
Transistor
Question 6
4 / -1

___________ is a link between the transmitter and receiver

A
Microphone

B
Transmission Channel

C
Transducer

D
Telephone
Question 7
4 / -1

___________ in the receiver section are used to reduce the level of noise signal

A
Filter circuit

B
Modulator

C
De modulator

D
Amplifier
Question 8
4 / -1

The minimum distance a up to which T.V transmission from a T.V. tower of height h can be received is Proportional to

A

B
h

C

D
Question 9
4 / -1

The energy attenuation in optical fibre is mainly due to

A
Absorption

B
Scattering

C
Both a and b

D
Neither absorption nor scattering
Question 10
4 / -1

The electromagnetic waves of frequency 2 MHz to 30 MHz are

A
In ground wave propagation

B
In sky wave propagation

C
In micro wave propagation

D
In satellite communication