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 database-database-redesign
Multiple Choice Question in 035/2016
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
Multiple Choice Question in electronic-devices-bipolar-junction-transistors
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. In a two stage cascade amplifier, each stage has a gain of 10 dB and noise figure of 10 dB. The overall noise factor is
(A): 1
(B): 1.09
(C): 10
(D): 10.9
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
By: guest on 01 Jun 2017 11.48 pm
.
Show Similar Question And Answers
QA->Giridharlal’s family consists of his wife Radha. 3 sons and 2 daughters. One daughter is yet to be married and the other daughter has a son. Two sons have 2 children each and the third son has 3 children. An old aunt and sonin-law also stay with them. How many members are there in Giridharlal’s family ?....
QA->Two trains are 2 km apart and their lengths are 200 m and 300 m. They are approaching towards each other with a speed of 20 m/s and 30 m/s respectivety. after how much time they cross each other....
QA->There are 50 students in a class. In a class test 22 students get 25 marks each, 18 students get 30 marks each. Each of the remaining gets 16 marks. The average mark of the whole class is :....
QA->Which of these methods involves passing paper through a press twice but using one same plate each time to print two complete signatures on each sheet ?....
QA->Which factor is not needed to calculate heat lost or gain when there is no change of state?....
MCQ->In a two stage cascade amplifier, each stage has a gain of 10 dB and noise figure of 10 dB. The overall noise factor is....
MCQ->If each stage has a gain of 10 dB and noise figure of 10 dB, then the overall noise figure of a two stage cascade amplifier will be....
MCQ->The noise figure of individual stages of a two stage amplifier is 2.03 and 1.54 respectively. If gain of first stage is 62, the overall noise figure is....
MCQ->AM amplifier having noise figure of 20 dB and available power gain of 15 dB is followed by a mixer circuit having noise figure of 9 dB. The overall noise figure as referred to input in dB is....
MCQ->The signal input to a given amplifier is made up of 100 mΩ signal power and 1 mΩ noise power. The amplifier contributes an additional 100 mΩ of noise and has a power gain of 20 dB. The noise factor is....
×
×
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