Exercise: Communication Systems

Questions for: Communication Systems

The power consumption of a present day colour TV receiver is about
A:
8 W
B:
80 W
C:
200 W
D:
400 W
Answer: B
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In FM reception, amplitude disturbances due to static change
A:
reduce the signal frequencies
B:
increase the signal frequencies
C:
disturb the signal frequencies
D:
do not affect the signal frequencies
Answer: D
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Waves travel on each of the line configurations in figure. In which case would the radiation be maximum
A:
B:
C:
D:
Answer: D
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In tape recorders the hissing noise is due to irregularities in magnetic coating on tape.
A:
True
B:
False
C:
D:
Answer: A
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Assertion (A): In AM carrier component remains constant in amplitude and frequency.

Reason (R): In AM the two side bands are images of each other.

A:
Both A and R are correct and R is correct explanation of A
B:
Both A and R are correct but R is not correct explanation of A
C:
A is correct but R is wrong
D:
A is wrong but R is correct
Answer: B
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