1. The stability factor of a collector feedback bias circuit is_______________ that of base resistor bias?
A. The same as
B. More than
C. Less than
D. None of the above
✅ The correct answer is option C.
Transistor Biasing MCQs
2. In the design of a biasing circuit, the value of collector load RC is determined by__________________?
A. VCE consideration
B. VBE consideration
C. IB consideration
D. None of the above
✅ The correct answer is option A.
3. For faithful amplification by a transistor circuit, the value of VCE should______________for silicon transistor?
A. Not fall below 1 V
B. Be zero
C. Be 0.2 V
D. None of the above
✅ The correct answer is option A.
4. For proper operation of the transistor, its collector should have___________________?
A. Proper forward bias
B. Proper reverse bias
C. Very small size
D. None of the above
✅ The correct answer is option B.
5. If biasing is not done in an amplifier circuit, it results in________________?
A. Decrease in the base current
B. Unfaithful amplification
C. Excessive collector bias
D. None of the above
✅ The correct answer is option B.
6. The value of stability factor for a base resistor bias is________________?
A. RB (ß+1)
B. (ß+1)RC
C. (ß+1)
D. 1-ß
✅ The correct answer is option C.
7. The point of intersection of d.c. and a.c. load lines represents __________________?
A. Operating point
B. Current gain
C. Voltage gain
D. None of the above
✅ The correct answer is option A.
8. The disadvantage of voltage divider bias is that it has _________________?
A. High stability factor
B. Low base current
C. Many resistors
D. None of the above
✅ The correct answer is option C.
9. If the temperature increases, the value of VCE_________________?
A. Remains the same
B. Is increased
C. Is decreased
D. None of the above
✅ The correct answer is option C.
10. For proper amplification by a transistor circuit, the operating point should be located at the_____________ of the d.c. load line?
A. The end point
B. Middle
C. The maximum current point
D. None of the above
✅ The correct answer is option B.