A JFET has disadvantage of being noisy. having small gain-bandwidth product. possessing positive temperature coefficient. having low input impedance. TRUE ANSWER : ? YOUR ANSWER : ?
The transition capacitance of a reverse biased pn junction having uniform doping on both sides, varies with junction voltage ( VB ) as ( VB )2. VB. 1 / VB. ( VB )- 1 / 2. TRUE ANSWER : ? YOUR ANSWER : ?
The base-emitter voltage of the second approximation is 1 V. 0.7 V. 0 V. 0.3 V. TRUE ANSWER : ? YOUR ANSWER : ?
Ignoring the bulk resistance of the collector diode, the collector-emitter saturation voltage is 1 V. supply voltage. 0. a few tenths of a volt. TRUE ANSWER : ? YOUR ANSWER : ?
If the zener diode in a zener regulator is connected with the wrong polarity, the load voltage will be closest to 14 V. 10 V. 0.7 V. 18 V. TRUE ANSWER : ? YOUR ANSWER : ?
A transistor series voltage regulator is called emitter follower regulator because the emitter of the pass transistor follows the ________________________ voltage. collector. base. input. output. TRUE ANSWER : ? YOUR ANSWER : ?
When the JFET is no longer able to control the current, this point is called the saturated point. pinch-off region. depletion region. breakdown region. TRUE ANSWER : ? YOUR ANSWER : ?
Class B amplifier is biased at midpoint of load line. just at cut-off. nearly twice cut-off. None of these TRUE ANSWER : ? YOUR ANSWER : ?
The DC electric current gain in common collector configuration is given by β + 1. β. α - 1. α. TRUE ANSWER : ? YOUR ANSWER : ?