Which of the following is trivalent impurity ? Boron None of these Silicon Antimony TRUE ANSWER : ? YOUR ANSWER : ?
What does MOS stand for? Metal - on silicon. Metal - oxide silicon. None of them. Metal - oxide semiconductor. TRUE ANSWER : ? YOUR ANSWER : ?
When the pn junction is forward biased the sequence of events that take place are none of above. diffusion, injection and drift. injection, diffusion and recombination. diffusion, drift and recombination. TRUE ANSWER : ? YOUR ANSWER : ?
When the two input terminals of a differential amplifier are grounded the collector currents are equal. the base currents are equal. the ac output voltage is zero. an output error voltage usually exists. TRUE ANSWER : ? YOUR ANSWER : ?
The most commonly used transistor circuit arrangement is common base. common collector. common emitter. None of these TRUE ANSWER : ? YOUR ANSWER : ?
The knee voltage (cut in voltage) of silicon diode 0.7 V. 0.8 V. 0.2 V. 1.0 V. TRUE ANSWER : ? YOUR ANSWER : ?
When will be the P-N junction is formed ? In depletion region Two opposite doped materials None of these In reverse biased region TRUE ANSWER : ? YOUR ANSWER : ?
The feedback factor of a Wien bridge oscillator using Op-Amp is 1/2 1 1/3 1/4 TRUE ANSWER : ? YOUR ANSWER : ?
Which of following is not an essential element of a DC power supply? Voltage regulator. Rectifier. Filter. Voltage amplifier. TRUE ANSWER : ? YOUR ANSWER : ?