Toggle navigation
Home
KPSC Previous Question Papers
Article Category
kerala psc
upsc
General
Popular Pages
Multiple Choice Question in കറന്റ് അഫയേഴ്സ് മേയ് 11
Multiple Choice Question in കറന്റ് അഫയേഴ്സ് - ഏപ്രില് 07
Multiple Choice Question in current-affairs-2016-12-22
Multiple Choice Question in current-affairs-2017-01-22
Multiple Choice Question in biochemistry-structure-and-properties-of-peptides
Multiple Choice Question in കറന്റ് അഫയേഴ്സ് - ക്വിസ് | ഡിസംബര് 05 - 12
Multiple Choice Question in biochemical-engineering-fluid-flow
Multiple Choice Question in biochemistry-allosteric-effects
Multiple Choice Question in current-affairs-2017-05-07
Multiple Choice Question in കറന്റ് അഫയേഴ്സ് മേയ് 26
Question Answer Bank
Multiple Choice Question Bank
Question Answer Category
Multiple Choice Question Category
Home
->
Multiple Choice Questions
Question Set
electronics and communication engineering digital electronics
1. Which of the following needs DC forward voltage to emit light?
(A): Both LED as well as LCD
(B): LCD
(C): LED
(D): None of the above
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 yellow light is incident on a surface no electrons are emitted while green light can emit. If the red light is incident on the surface then?....
QA->The property of certain material by virtue of which they absorb light of shorter wavelength and emit light of longer wavelength is called?....
QA->The device used for converting current from a lower voltage to a higher voltage is known as?....
QA->Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit?....
QA->Which of the following memories needs refresh?....
MCQ->Which of the following needs DC forward voltage to emit light?....
MCQ->When yellow light is incident on a surface no electrons are emitted while green light can emit. If the red light is incident on the surface then?....
MCQ->If a transistor is operating with both of its Junctions forward biased, but with the collector base forward biased, but with the collector base forward bias greater than the emitter-base forward bias, then it is operating in the....
MCQ->For a forward-biased diode, as temperature is ________, the forward current ________ for a given value of forward voltage.....
MCQ->Statements: The Minister questioned the utility of the space research programme and suggested its replacement by other areas of felt national needs. Conclusions: Exploring the space does not contribute to critical national needs. Research should be oriented to national needs. ....
×
×
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