Fermi level is the amount of energy in which None of these An electron can have at room temperature Must be given to an electron move to conduction band A hole can have at room temperature TRUE ANSWER : ? YOUR ANSWER : ?
As compared to bipolar junction transistor, a FET Has better thermal stability Is less noisy Has higher input resistance All of these TRUE ANSWER : ? YOUR ANSWER : ?
Power diodes are generally Germanium diodes Either of the above Silicon diodes None of these TRUE ANSWER : ? YOUR ANSWER : ?
The amount of photoelectric emission current depends on Frequency of incident radiation Intensity of incident radiation Both frequency and intensity of incident radiation None of these TRUE ANSWER : ? YOUR ANSWER : ?
In a bipolar transistor, the emitter base junction has Zero bias Reverse bias Forward bias Zero or reverse bias TRUE ANSWER : ? YOUR ANSWER : ?
Assertion (A): In p-n-p transistor collector current is termed negative.Reason (R): In p-n-p transistor holes are majority carriers. A is true but R is false Both A and R are true and R is correct explanation of A Both A and R are true but R is not a correct explanation of A A is false but R is true TRUE ANSWER : ? YOUR ANSWER : ?
At room temperature the current in an intrinsic semiconductor is due to Electrons Holes Ions Holes and electrons TRUE ANSWER : ? YOUR ANSWER : ?
How many free electrons does a p type semiconductor has? Those produced by doping as well as thermal energy Only those produced by doping Only those produced by thermal energy Any of the above TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following could be the maximum current rating of junction diode by 126? 1 A 10 A 20 A 100 A TRUE ANSWER : ? YOUR ANSWER : ?
An electron in the conduction band Has higher energy than the electron in the valence band Jumps to the top of the crystal Loses its charge easily Has lower energy than the electron in the valence band TRUE ANSWER : ? YOUR ANSWER : ?