A JFET has disadvantage of having small gain-bandwidth product. having low input impedance. possessing positive temperature coefficient. being noisy. TRUE ANSWER : ? YOUR ANSWER : ?
Acceptor type impurities are used to make P-type semiconductor have three valance electrons Create excess holes All of these TRUE ANSWER : ? YOUR ANSWER : ?
An Op-Amp comparator circuit employs +ve feedback. no feedback. both B and C. -ve feedback. TRUE ANSWER : ? YOUR ANSWER : ?
Electron mobility is defined as Diffusion velocity per unit field None of these the movement of electrons Drift velocity per unit field TRUE ANSWER : ? YOUR ANSWER : ?
Reverse saturation electric current in a silicon pn junction diode nearly doubles for very 6° rise in temperature. 2° rise in temperature. 5° rise in temperature. 10° rise in temperature. 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 uniform in the channel. is wider near the drain and tapers near source. None of these TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is not associated with a p-n junction Depletion capacitance Junction capacitance Channel length modulation Charge storage capacitance TRUE ANSWER : ? YOUR ANSWER : ?
Depletion region of a p-n junction is formed During Heating During Reverse bias During Forward bias During Manufacturing TRUE ANSWER : ? YOUR ANSWER : ?
Which are the mobile charge carriers present in semiconductor diode ? Neutrons Holes Electrons Both A & B TRUE ANSWER : ? YOUR ANSWER : ?