1. . Transistor biasing is done to keep ………… in the circuit
(A) The base current small
(B) Proper alternating current
(C) Proper direct current
(D) Collector current small
2. . Transistor biasing is done to keep ………… in the circuit
(A) Proper direct current
(B) Proper alternating current
(C) The base current small
(D) Collector current small
3. . For proper operation of the transistor, its collector should have …………
(A) Proper forward bias
(B) Very small size
(C) Proper reverse bias
(D) None of the above
4. . The disadvantage of base resistor method of transistor biasing is that it …………
(A) Is sensitive to changes in ß
(B) Is complicated
(C) Provides high stability
(D) None of the above
5. . The operating point is also called the ………….
(A) Quiescent point
(B) Cut off point
(C) Saturation point
(D) None of the above
6. . In a transistor amplifier circuit VCE = VCB + ……………..
(A) VBE
(B) 2VBE
(C) 5 VBE
(D) None of the above
7. . Which of the following isn’t true?
(A) Both transformer and amplifier can provide voltage gain
(B) None of the mentioned
(C) Both transformer and amplifier can provide power gain
(D) Both transformer and amplifier can provide current gain
8. . The shifting of Q-point in upward and downward directions with respect to the variations in output voltage and current of an amplifier is the major characteristic feature of _______.
(A) DC Load Line
(B) Both a & b
(C) AC Load Line
(D) None of the above
9. . An ideal operational amplifier has
(A) infinite output impedance
(B) infinite bandwidth
(C) zero input impedance
(D) All of the above
10. . Another name for a unity gain amplifier is:
(A) difference amplifier
(B) comparator
(C) voltage follower
(D) single ended