Fermi level is the amount of energy in which None of these Must be given to an electron move to conduction band An electron can have at room temperature A hole can have at room temperature TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following has highest resistivity? Mineral oil Air Mica Paraffin wax TRUE ANSWER : ? YOUR ANSWER : ?
Power diodes are generally Either of the above Silicon diodes None of these Germanium diodes TRUE ANSWER : ? YOUR ANSWER : ?
The forbidden energy gap between the valence band and conduction band will be least in case of All of these Semiconductors Metals Insulators TRUE ANSWER : ? YOUR ANSWER : ?
In a bipolar transistor, the emitter base junction has Reverse bias Zero or reverse bias Zero bias Forward bias TRUE ANSWER : ? YOUR ANSWER : ?
In the sale of diamonds the unit of weight is carat. One carat is equal to 200 mg 150 mg 500 mg 100 mg TRUE ANSWER : ? YOUR ANSWER : ?
The sensitivity of human eyes is maximum at Violet portion of spectrum Green portion of spectrum White portion of spectrum Red portion of spectrum 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 0.99 99 100 1.01 TRUE ANSWER : ? YOUR ANSWER : ?
Which one of the following is not a characteristic of a ferroelectric material? High dielectric constant No hysteresis Ferroelectric characteristic only above the curie point Electric dipole moment TRUE ANSWER : ? YOUR ANSWER : ?
Piezoelectric quartz crystal resonators find application where Signal frequency control is required Signal amplification is required Rectification of the signal is required Modulation of signal is required TRUE ANSWER : ? YOUR ANSWER : ?