A working diode must have High resistance when forward or reverse biased Low resistance when forward or reverse biased Low resistance when forward biased, while high resistance when reverse bias High resistance when forward biased, while low resistance when reverse bias TRUE ANSWER : ? YOUR ANSWER : ?
What will happen if doping of an intrinsic semiconductor with pentavalent impurity atom ? Fermi level not change Fermi level raises Fermi level fall None of these TRUE ANSWER : ? YOUR ANSWER : ?
What is the charge of mobile charge carriers of holes ? None of these Positively charged No charged Negatively charged TRUE ANSWER : ? YOUR ANSWER : ?
A Schottky diode is a majority carrier device. both a majority and a minority carrier diode. fast recovery diode. minority carrier device. TRUE ANSWER : ? YOUR ANSWER : ?
When a transistor is connected in common emitter mode, it with have Negligible input resistance and high output resistance Low input resistance as well as output resistance High input resistance and low output resistance Medium input resistance and high output resistance TRUE ANSWER : ? YOUR ANSWER : ?
The silicon transistor are more widely used than germanium transistors because they have larger electric current carrying capacity. they have smaller leakage current. they have better ability to dissipate heat. they have smaller depletion layer. TRUE ANSWER : ? YOUR ANSWER : ?
What is true about the breakdown voltage in a zener diode? It decreases when electric current increases. It destroys the diode. It equals the electric current times the resistance. It is approximately constant. TRUE ANSWER : ? YOUR ANSWER : ?
Which are the mobile charge carriers present in semiconductor diode ? Holes Neutrons Electrons Both A & B TRUE ANSWER : ? YOUR ANSWER : ?
What is the majority carriers in "N" type material ? Electrons Holes Protons None of these TRUE ANSWER : ? YOUR ANSWER : ?
When a reverse bias is applied to gate of JFET the depletion region width is wider near the source and tapers near the drain. is wider near the drain and tapers near source. None of these is uniform in the channel. TRUE ANSWER : ? YOUR ANSWER : ?