In a bipolar transistor, the emitter base junction has Reverse bias Zero bias Zero or reverse bias Forward bias TRUE ANSWER : ? YOUR ANSWER : ?
Which one of the following is not a characteristic of a ferroelectric material? High dielectric constant Ferroelectric characteristic only above the curie point Electric dipole moment No hysteresis TRUE ANSWER : ? YOUR ANSWER : ?
Work function is the maximum energy required by the fastest electron at 0 K to escape from the metal surface. True False 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 : ?
The most commonly used semiconductor material is Silicon Mixture of silicon and germanium None of these Germanium TRUE ANSWER : ? YOUR ANSWER : ?
In a bipolar transistor, the base collector junction has Zero or forward bias Reverse bias Forward bias Zero bias TRUE ANSWER : ? YOUR ANSWER : ?
In a half wave rectifier, the load current flows Only for the positive half cycle of the input signal For full cycle For less than fourth cycle Only for the negative half cycle of the input signal TRUE ANSWER : ? YOUR ANSWER : ?
When avalanche breakdown occurs covalent bonds are not affected. False True TRUE ANSWER : ? YOUR ANSWER : ?
When diodes are connected in series to increase voltage rating the peak inverse voltage per junction should not exceed half the breakdown voltage may be equal to or less than breakdown voltage should not exceed one third the breakdown voltage should not exceed the breakdown voltage TRUE ANSWER : ? YOUR ANSWER : ?
Permalloy is A conon-ferrous alloy used in aircraft industry A variety of stainless steel A nickel an iron alloy having high permeability A polymer TRUE ANSWER : ? YOUR ANSWER : ?