Transistor Bias Circuits Questions and Answers
The Transistor Bias Circuits questions with answers topic covers key concepts in Electronics that are frequently asked in GATE, DRDO, ISRO, and ECIL exams. It helps learners analyze transistor configurations, biasing methods, and stability conditions. While mainly technical, the analytical problem-solving involved aligns closely with logical reasoning questions and answers, requiring conceptual clarity and circuit analysis skills. These questions improve your ability to apply reasoning principles to electrical circuits, making them essential for both academic and competitive preparation.
Transistor Bias Circuits
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20 questions
1. Clipping is the result of
- the input signal being too large.
- the transistor being driven into saturation.
- the transistor being driven into cutoff.
- all of the above
2. Which transistor bias circuit arrangement provides good stability using negative feedback from collector to base?
- base bias
- collector-feedback bias
- voltage-divider bias
- emitter bias
3. Which transistor bias circuit provides good Q-point stability with a single-polarity supply voltage?
- base bias
- collector-feedback bias
- voltage-divider bias
- emitter bias
4. Ideally, for linear operation, a transistor should be biased so that the Q-point is
- near saturation.
- near cutoff.
- where IC is maximum.
- halfway between cutoff and saturation.
5. The most stable biasing technique used is the
- voltage-divider bias.
- base bias.
- emitter bias.
- collector bias.
6. Emitter bias requires
- only a positive supply voltage.
- only a negative supply voltage.
- no supply voltage.
- both positive and negative supply voltages.
8. At saturation the value of VCE is nearly ________, and IC = ________.
- zero, zero
- VCC, IC(sat)
- zero, I(sat)
- VCC, zero
9. Voltage-divider bias has a relatively stable Q-point, as does
- base bias.
- collector-feedback bias.
- both of the above
- none of the above
10. The linear (active) operating region of a transistor lies along the load line below ________ and above ________.
- cutoff, saturation
- saturation, cutoff