Toggle navigation
Home
KPSC Previous Question Papers
Article Category
kerala psc
upsc
General
Popular Pages
Multiple Choice Question in aptitude-area
Multiple Choice Question in non-verbal-reasoning-grouping-of-images
Multiple Choice Question in aptitude-compound-interest
Multiple Choice Question in engineering-mechanics-kinetics-of-a-particle-impulse-and-momentum
Multiple Choice Question in electronic-devices-bipolar-junction-transistors
Multiple Choice Question in 035/2016
Multiple Choice Question in database-database-redesign
Question Answer in malayalam-kerala-psc-questions
Multiple Choice Question in malayalam-kerala-psc-questions
Multiple Choice Question in current-affairs-2017-03-05
Question Answer in KERALA PSC
Multiple Choice Question in KERALA PSC
Question Answer Bank
Multiple Choice Question Bank
Question Answer Category
Multiple Choice Question Category
Home
->
Multiple Choice Questions
Question Set
electronics and communication engineering communication systems
1. A wave is frequency modulated with an index of 0.1 and its frequency is multiplied by 8 times, the modulation index is
(A): decreased 8 times
(B): increased 4 times
(C): increased 8 times
(D): not changed
Previous Question
Show Answer
Next Question
Add Tags
Report Error
Show Marks
Ask Your Doubts Here
Type in
(Press Ctrl+g to toggle between English and the chosen language)
Post reply
Comments
Show Similar Question And Answers
QA->When the frequency of the sound wave is increased, what happens to its wave length?....
QA->Father is aged three times more than his son Anil. After 8 years, he would be two and a half times of Anil"s age. After further 8 years, how many times would he be of Anil"s age?....
QA->Father is aged three times more than his son Ram . After 8 years, he would be two and a half times of Ram"s age. After further 8 years, how many times would he be of Ram"s age?....
QA->What is the product of the time period of a wave and its frequency?....
QA->Due to change of medium the phase velocity of the wave is changed but its frequency remains?....
MCQ->A wave is frequency modulated with an index of 0.1 and its frequency is multiplied by 8 times, the modulation index is....
MCQ->Assertion (A): If a carrier is modulated by three sine waves and m1, m2, m3 are the modulation indices, the total modulation index mt is mt = (m12 + m22 + m32)0.5Reason (R): An AM, higher the level of modulation, lower is the audio power required to produce modulation.....
MCQ->The antenna current of an AM broad cast transmitter, modulated to a depth of 40% by an audio sine wave is 11 amperes. It increased to 12 ampere as a result of simultaneous modulation by another sine wave. The modulation index due to this second sine wave is :....
MCQ->A 300 Hz sound wave of intensity 20 dB is transmitted by a 1500 kHz radio wave by frequency modulation. It is seen that instantaneous frequency varies between 1500.2 kHz and 1499.8 kHz, 300 times a second. If the intensity of sound wave is 100 dB.....
MCQ->When ωm is the modulation frequency in frequency modulation, the modulation index is proportional to....
×
×
Type The Issue
×
Your Marks
Terms And Service:We do not guarantee the accuracy of available data ..We Provide Information On Public Data.. Please consult an expert before using this data for commercial or personal use | Powered By:Omega Web Solutions
© 2002-2017 Omega Education PVT LTD...
Privacy
|
Terms And Conditions
Question ANSWER With Solution