Which of the following is trivalent impurity ? Antimony Silicon Boron None of these TRUE ANSWER : ? YOUR ANSWER : ?
Three difference Q points are shown on a load line. The upper Q point represents the cutoff point. minimum current gain. intermediate current gain. maximum current gain. TRUE ANSWER : ? YOUR ANSWER : ?
Silicon has two valence electrons. eight valence electrons. four valence electrons. none of above. TRUE ANSWER : ? YOUR ANSWER : ?
Most of the electrons in the base of an NPN transistor flow out of the base lead. into the collector. into the emitter. into the base supply. TRUE ANSWER : ? YOUR ANSWER : ?
The input impedance of the base of an emitter follower is usually high. low. open. shorted to ground. TRUE ANSWER : ? YOUR ANSWER : ?
Relaxation Voltage controlled oscillators are used to generate Sinusoidal wave Both B and C Sawtooth wave Triangular wave TRUE ANSWER : ? YOUR ANSWER : ?
The per unit impedance of a synchorous machine is 0.242. If base voltage is increased by 1.1 times, then per unit value will be 0.200. 0.266. 0.242. 0.220. TRUE ANSWER : ? YOUR ANSWER : ?
A schottky device is a Fast recovery device. Both B and C. Minority carrier device. Majority carrier device. TRUE ANSWER : ? YOUR ANSWER : ?
Which is the factor on which total number of electrons in an atom depends ? None of these atomic weight atomic size atomic number TRUE ANSWER : ? YOUR ANSWER : ?
The magnitude of electric current ICBO increases with the increase in temperature. is generally greater in silicon than in germanium transistor. depends largely upon the emitter doping. depends largely upon emitter-base junction base potential. TRUE ANSWER : ? YOUR ANSWER : ?