The most commonly used semiconductor material is None of these Silicon Mixture of silicon and germanium Germanium TRUE ANSWER : ? YOUR ANSWER : ?
When avalanche breakdown occurs covalent bonds are not affected. True False TRUE ANSWER : ? YOUR ANSWER : ?
Assertion (A): A JFET can be used as a current source.Reason (R): In beyond pinch off region the current in JFET is nearly constant. 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 Both A and R are true and R is correct explanation of A TRUE ANSWER : ? YOUR ANSWER : ?
At room temperature the current in an intrinsic semiconductor is due to Electrons Holes Holes and electrons Ions TRUE ANSWER : ? YOUR ANSWER : ?
Power diodes are generally Silicon diodes Germanium diodes Either of the above None of these TRUE ANSWER : ? YOUR ANSWER : ?
The depletion layer width of Junction Increases with heavy doping Is increased under reverse bias Decreases with light doping Is independent of applied voltage TRUE ANSWER : ? YOUR ANSWER : ?
For a NPN bipolar transistor, what is the main stream of current in the base region? Diffusion of electrons Drift of electrons Drift of holes Diffusion of holes TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following could be the maximum current rating of junction diode by 126? 1 A 100 A 20 A 10 A TRUE ANSWER : ? YOUR ANSWER : ?
In monolithic ICs, all the components are fabricated by Evaporation Oxidation Diffusion process None TRUE ANSWER : ? YOUR ANSWER : ?
An intrinsic silicon sample has 1 million free electrons at room temperature. As the temperature is increased The number of free electrons and holes increase but not by the same amount The number of free electrons increases The number of free electrons increases but the number of holes decreases The number of free electrons and holes increase by the same amount TRUE ANSWER : ? YOUR ANSWER : ?