The base - emitter voltage is usually equal to the base supply voltage. none of these. less than the base supply voltage. more than the base supply voltage. TRUE ANSWER : ? YOUR ANSWER : ?
The most commonly used transistor circuit arrangement is common base. None of these common collector. common emitter. TRUE ANSWER : ? YOUR ANSWER : ?
What is mean by the outermost orbit of an atom ? Conduction band Energy band Valence orbit None of these TRUE ANSWER : ? YOUR ANSWER : ?
Field effect transistor (FET) operates on on both majority and minority carriers. minority carries only . majority carriers only. positive charged ions only. TRUE ANSWER : ? YOUR ANSWER : ?
Piezoelectric effect is utilized in which of the following filter? Crystal filter. Ideal filter. Band stop. Pass band. TRUE ANSWER : ? YOUR ANSWER : ?
In a JFET, if the gate voltage Vgs is made more negative, then depletion region decreases. channel conductivity increases. channel conductivity decreases. channel electric current increases . TRUE ANSWER : ? YOUR ANSWER : ?
The current gain of a pnp transistor is the ratio of collector current to emitter current. the negative of the npn current gain. near zero. the collector current divided by the emitter current. TRUE ANSWER : ? YOUR ANSWER : ?
The common - mode rejection ratio is as high as possible. equal to the common-mode voltage gain. equal to the voltage gain. very low. TRUE ANSWER : ? YOUR ANSWER : ?
Class B amplifier is biased at midpoint of load line. None of these nearly twice cut-off. just at cut-off. TRUE ANSWER : ? YOUR ANSWER : ?
Ignoring the bulk resistance of the collector diode, the collector-emitter saturation voltage is 1 V. a few tenths of a volt. supply voltage. 0. TRUE ANSWER : ? YOUR ANSWER : ?