As compared to bipolar junction transistor, a FET Has better thermal stability Has higher input resistance Is less noisy All of these TRUE ANSWER : ? YOUR ANSWER : ?
In the sale of diamonds the unit of weight is carat. One carat is equal to 100 mg 500 mg 200 mg 150 mg TRUE ANSWER : ? YOUR ANSWER : ?
Free electrons exist in Second band Third band First band Conduction band TRUE ANSWER : ? YOUR ANSWER : ?
If too large current passes through the diode All electrons will leave Excessive heat may damage the diode All holes will freeze Diode will emit light 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. Both A and R are true but R is not a correct explanation of A A is true but R is false Both A and R are true and R is correct explanation of A A is false but R is true TRUE ANSWER : ? YOUR ANSWER : ?
Assertion (A): A VMOS can handle much larger current than other field effect transistors.Reason (R): In a VMOS the conducting channel is very narrow. Both A and R are true and R is correct explanation of A A is false but R is true A is true but R is false Both A and R are true but R is not a correct explanation of A TRUE ANSWER : ? YOUR ANSWER : ?
Fermi level is the amount of energy in which An electron can have at room temperature A hole can have at room temperature Must be given to an electron move to conduction band None of these TRUE ANSWER : ? YOUR ANSWER : ?
Which one of the following is not a characteristic of a ferroelectric material? Electric dipole moment High dielectric constant No hysteresis Ferroelectric characteristic only above the curie point TRUE ANSWER : ? YOUR ANSWER : ?
In which of these is reverse recovery time nearly zero? PIN diode Schottky diode Zener diode Tunnel diode TRUE ANSWER : ? YOUR ANSWER : ?
Permalloy is A nickel an iron alloy having high permeability A variety of stainless steel A conon-ferrous alloy used in aircraft industry A polymer TRUE ANSWER : ? YOUR ANSWER : ?