Q. The barrier potential across each silicon depletion layer is
✅ Correct Answer: (C)
0.7v
Electronic Devices and Circuits MCQs | Page - 2
Dear candidates you will find MCQ questions of Electronic Devices and Circuits here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Q. The base of an npn transistor is thin and
✅ Correct Answer: (B)
lightly doped
Q. The emitter of a transistor is generally doped the heaviest because it
✅ Correct Answer: (A)
has to dissipate maximum power
Q. When a transistor is fully switched ON, it is said to be
✅ Correct Answer: (B)
saturated
Q. A FET consists of a
✅ Correct Answer: (D)
all the above
Q. The extremely high input impedance of a MOSFET is primarily due to the
✅ Correct Answer: (D)
extremely small leakage current of its gate capacitor
Q. When a transistor is used as a switch, it is stable in which two distinct regions?
✅ Correct Answer: (C)
saturation and cutoff
Q. The term BJT is short for
✅ Correct Answer: (D)
bipolar junction transistor
Q. What are the two types of bipolar junction transistors?
✅ Correct Answer: (A)
npn and pnp
Q. The magnitude of dark current in a phototransistor usually falls in what range?
✅ Correct Answer: (C)
na
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