NEET Physics is the very imporatant paper in the Medical Entrance EXAM. So these NEET Physics MCQs and Answers for all Concepts as per the new syllabus. Practice daily with these NEET Physics objective questions on air pollution . NEET Physics Transistor Multiple Choice Questions
MCQs on Transistor :
1. The base of a transistor is …………. doped
(A) Moderately
(B) Lightly
(C) Heavily
(D) None of the above
Answer
Answer: (B) Lightly
2. How many depletion layers are there in a transistor
(A) Four
(B) One
(C) Two
(D) Three
Answer
Answer: (C) Two
3. A transistor has
(A) Two p-n junctions
(B) One p-n junction
(C) Three p-n junctions
(D) Four p-n junctions
Answer
Answer: (A) Two p-n junctions
4. The current carries in a PNP transistor is
(A) Free electrons
(B) Acceptor ions
(C) Donor ions
(D) Holes
Answer
Answer: (D) Holes
5. The base-emitter junctions of a transistor is
(A) a wide depletion layer
(B) Low resistance
(C) a reverse bias
(D) None
Answer
Answer: (B) Low resistance
6. In a transistor the input impedance is
(A) Low
(B) Very high
(C) Almost zero
(D) High
Answer
Answer: (A) Low
7. The majority of the carriers from the emitter
(A) Recombine in the emitter
(B) Pass through the base of the collector
(C) Recombine in the base
(D) None of the above
Answer
Answer: (B) Pass through the base of the collector
8. The value of α of a transistor is
(A) More than 1
(B) Less than 1
(C) 1
(D) None of the above
Answer
Answer: (B) Less than 1
9. The output impedance of a transistor is
(A) High
(B) Zero
(C) Low
(D) Very low
Answer
Answer: (A) High
10. As the temperature of a transistor goes up, the base-emitter resistance
(A) Decreases
(B) Increases
(C) Remains the same
(D) None of the above
Answer
Answer: (A) Decreases