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. A is true but R is false A is false but R is true 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 TRUE ANSWER : ? YOUR ANSWER : ?
The forbidden energy gap between the valence band and conduction band will be least in case of All of these Insulators Semiconductors Metals TRUE ANSWER : ? YOUR ANSWER : ?
In monolithic ICs, all the components are fabricated by None Evaporation Diffusion process Oxidation TRUE ANSWER : ? YOUR ANSWER : ?
Work function is the maximum energy required by the fastest electron at 0 K to escape from the metal surface. False True TRUE ANSWER : ? YOUR ANSWER : ?
The sensitivity of human eyes is maximum at Green portion of spectrum White portion of spectrum Violet portion of spectrum Red portion of spectrum TRUE ANSWER : ? YOUR ANSWER : ?
Silicon is not suitable for fabrication of light emitting diodes because it is Narrowband gap semiconductor An indirect band gap semiconductor Wideband gap semiconductor Direct band gap semiconductor 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 true but R is false Both A and R are true but R is not a correct explanation of A A is false but R is true Both A and R are true and R is correct explanation of A TRUE ANSWER : ? YOUR ANSWER : ?
A transistor has a current gain of 0.99 in the CB mode. Its current gain in the CC mode is 100 0.99 1.01 99 TRUE ANSWER : ? YOUR ANSWER : ?
As compared to bipolar junction transistor, a FET Has higher input resistance Has better thermal stability All of these Is less noisy TRUE ANSWER : ? YOUR ANSWER : ?
In a bipolar transistor, the emitter base junction has Zero or reverse bias Reverse bias Forward bias Zero bias TRUE ANSWER : ? YOUR ANSWER : ?