Toggle navigation
Home
KPSC Previous Question Papers
Article Category
kerala psc
upsc
General
Popular Pages
Multiple Choice Question in engineering-mechanics-kinetics-of-a-particle-impulse-and-momentum
Multiple Choice Question in database-database-redesign
Multiple Choice Question in current-affairs-2017-03-05
Question Answer in malayalam-kerala-psc-questions
Multiple Choice Question in malayalam-kerala-psc-questions
Question Answer in kerala-psc-questions-in-malayalam
Multiple Choice Question in kerala-psc-questions-in-malayalam
Multiple Choice Question in electronics-and-communication-engineering-electronic-devices-and-circuits
Multiple Choice Question in database-sql-for-database-construction-and-application-processing
Multiple Choice Question in 035/2016
Question Answer in KERALA PSC
Multiple Choice Question in KERALA PSC
Multiple Choice Question in 025/2016
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 device has two resistances 300 Ω and 200 Ω respectively. The noise voltages due to these two resistance calculated separately are 5.38 μV and 4.38 μV respectively. When both of them are used together, the noise voltage will be
(A): 1 μV
(B): 23.56 μV
(C): 6.94 μV
(D): 9.76 V
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->.If three resistances 6 ohm,4 ohm and 3 ohm are connected in parallel,what will be the total resistance?....
QA->The device used for converting current from a lower voltage to a higher voltage is known as?....
QA->An electronic device makes a beep after 60 sec.Another device makes a beep after ever 62sec.They beeped together at 10am.The time when they will next make a beep together at the earliest,is....
QA->A and B can do a work in 12 days B and C together can do it in 15 days and C and A together in 20 days. If A,B,C work together, they will complete the work in?....
QA->P, Q and R can complete a work in 24, 6 and 12 days respectively. The work will be completed in --- days if all of them are working together.....
MCQ->A device has two resistances 300 Ω and 200 Ω respectively. The noise voltages due to these two resistance calculated separately are 5.38 μV and 4.38 μV respectively. When both of them are used together, the noise voltage will be....
MCQ->An amplifier has an input resistance of 10 kΩ and the noise voltage is 10 μV. If two such resistances of 10 kΩ each are connected in series at the input, the total noise voltage is about....
MCQ->A certain network has two ideal voltages sources and a large number of ideal resistances. The power consumed in one of the resistances is 4 W when either of two sources is active and the other source is active and the other source is short circuited. When both sources is short circuited.When both sources are active, the power consumed in the same resistor would be....
MCQ->In a system an input resistance of 20 kΩ causes a noise voltage of 15μV. If two such input resistances each of 20 kΩ are used in parallel, the total noise voltage will be about....
MCQ->Two voltmeters are each 0-300 V range. Their internal resistances are 10 kΩ and 20 kΩ They are connected is series and a voltage of 400 V is applied. Their readings respectively will be....
×
×
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