The current gain of a bipolar transistor drops at high frequencies because of Parasitic inductive elements The early effect High current effects in the base Transistor capacitances TRUE ANSWER : ? YOUR ANSWER : ?
Which is the pair of acceptor elements ? Phosphorous and aluminium Antimony and indium None of these Gallium and boron TRUE ANSWER : ? YOUR ANSWER : ?
A D - MOSFET is considered to be a current controlled device. normally on device. high - power switch. normally off device. TRUE ANSWER : ? YOUR ANSWER : ?
The collector characteristics of a common - emitter connected transistor may be used to find its output resistance . input resistance. base current. voltage gain. TRUE ANSWER : ? YOUR ANSWER : ?
When P-type substance is connected with negative and n-type is connected with positive terminal of the battery then P-n junction diode is in .................... No biased Reverse biased None of these Forward biased TRUE ANSWER : ? YOUR ANSWER : ?
Most small - signal E - MOSFETs are found in integrated circuit. disk drives. discrete circuits. heavy - current applications. TRUE ANSWER : ? YOUR ANSWER : ?
In a N-type semiconductor material holes are ...................... Majority charge carriers High charge carriers Minority charge carriers Low charge carriers TRUE ANSWER : ? YOUR ANSWER : ?
The junction capacitance of linearly graded junction varies with the applied reverse bias, VR as (VR)1/2. (VR)- 1/3. (VR)- 1. (VR)- 1/2. TRUE ANSWER : ? YOUR ANSWER : ?
When the Q point moves along the load line, VCE decreases when the collector current None of these increases. stays the same. decreases. TRUE ANSWER : ? YOUR ANSWER : ?
The input stage of an op amp is usually a swamped amplifier. CE amplifier. class B push-pull amplifier. differential amp. TRUE ANSWER : ? YOUR ANSWER : ?