Amplitude Modulation – 1 – 2

6. When signal amplitude is equal to the amplitude of the carrier, the percentage modulation factor will be :

(a) 25
(b) 50
(c) 100
(d) 200

ANSWER
Answer : (b)

EXPLANATION
No answer description available for this question. Let us discuss.

7. Amplitude modulation issued for broadcasting because as compared to other system :

(a) It can provide the necessary bandwidth for high fidelity
(b) It requires less transmitting power
(c) It use avoids receiver complexity
(d) It is more immune to noise

ANSWER
Answer : (c)

EXPLANATION
No answer description available for this question. Let us discuss.

8. One can provide two or more voice circuits on the same carrier by using :

(a) DSB-SC
(b) SSB with pilot carrier
(c) ISB systems
(d) SSB-BC system

ANSWER
Answer : (c)

EXPLANATION
No answer description available for this question. Let us discuss.

9. For a given carrier wave maximum undistorted power is transmitted when value of modulation is :

(a) 0
(b) 0.5
(c) 0.8
(d) 1.0

ANSWER
Answer : (d)

EXPLANATION
No answer description available for this question. Let us discuss.

10. A SSB (signal-side band) signal contains 3 k.W. the power content of the carrier is :

(a) 0 kW
(b) 1 kW
(c) 2 kW
(d) 3 kW

ANSWER
Answer : (a)

EXPLANATION
No answer description available for this question. Let us discuss.

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