4. Which of the following statement is incorrect ?
Modulation is used to –
(a) Allow the use of practical antennas (b) Separate differing transmission (c) Reduce the bandwidth (d) Ensure intelligence to be transmitted over long distances
Answer
Answer : (c)
Explanation
Explanation : No answer description available for this question. Let us discuss.
Amplitude Modulation » Exercise - 19. 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
Amplitude Modulation » Exercise - 1 11. In an AM transmitter after the modulation stage class C amplifier : (a) Can be used (b) Can not be used (c) Either of the above (d) Both a and b
Digital Communications » Exercise - 1 2. PCM transmission requires _______ Bandwidth than Amplitude transmission. (a) More (b) Less (c) Same (d) Negligible
Amplitude Modulation » Exercise - 12. Maximum undistorted power output of a transmitter can be expected when its modulation is - (a) 50% (b) Between 50% and 90% (c) 100% (d) More than 100%
Amplitude Modulation » Exercise - 1 1. Vestigial side band is most commonly used in - (a) Radio transmission (b) Television transmission (c) Telephony (d) All of the above