JOIN ADRE 2.0 Telegram Group

Transistor Biasing Quiz | Transistor Biasing Multiple Choice Questions and Answers

Questions
1 The operating point ………………… on the a.c. load line
A Also line
B Does not lie
C May or may not lie
D Data insufficient

Answer: Also line
2 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

Answer: Middle
Advertisement
Article and Schedule Quiz Start Test!

DOWNLOAD CURRENT AFFAIRS PDF FROM APP

3 The operating point is also called the ………….
A Cut off point
B Quiescent point
C Saturation point
D None of the above

Answer: Quiescent point
4 The leakage current in a silicon transistor is about ………… the leakage current in a germanium transistor
A One hundredth
B One tenth
C One thousandth
D One millionth

Answer: One thousandth
5 For good stabilsation in voltage divider bias, the current I1 flowing through R1 and R2 should be equal to or greater than
A 10 IB
B 3 IB
C 2 IB
D 4 IB

Answer: 10 IB
6 The biasing circuit has a stability factor of 50. If due to temperature change, ICBO changes by 1 µA, then IC will change by …………
A 100 µA
B 25 µA
C 20 µA
D 50 µA

Answer: 50 µA
7 The disadvantage of base resistor method of transistor biasing is that it …………
A Is complicated
B Is sensitive to changes in ß
C Provides high stability
D None of the above

Answer: Is sensitive to changes in ß
8 If the maximum collector current due to signal alone is 3 mA, then zero signal collector current should be at least equal to ………..
A 6 mA
B mA
C 3 mA
D 1 mA

Answer: 3 mA
9 The zero signal IC is generally ……………… mA in the initial stages of a transistor amplifier
A 4
B 1
C 3
D More than 10

Answer: 1
10 An ideal value of stability factor is …………..
A 100
B 200
C More than 200
D 1

Answer: 1
11 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

Answer: Operating point
12 The circuit that provides the best stabilization of operating point is …………
A Base resistor bias
B Collector feedback bias
C Potential divider bias
D None of the above

Answer: Potential divider bias
13 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

Answer: Not fall below 1 V
14 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

Answer: Proper reverse bias
15 For faithful amplification by a transistor circuit, the value of VBE should ………. for a silicon transistor
A Be zero
B Be 0.01 V
C Not fall below 0.7 V
D Be between 0 V and 0.1 V

Answer: Not fall below 0.7 V
16 Transistor biasing is generally provided by a …………….
A Biasing circuit
B Bias battery
C Diode
D None of the above

Answer: Biasing circuit
17 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

Answer: Unfaithful amplification
18 Operating point represents …………..
A Values of IC and VCE when signal is applied
B The magnitude of signal
C Zero signal values of IC and VCE
D None of the above

Answer: Zero signal values of IC and VCE
19 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

Answer: Proper direct current
20 Transistor biasing represents ……………. conditions
A a.c.
B d.c.
C both a.c. and d.c.
D none of the above

Answer: d.c.

ADRE 2.0 FULL LENGTH MOCK TEST

Take Mock Tests

Missiles Mock Test Start Test!
SSC MTS Mock Test Start Test
IBPS CLERK MOCK TEST Start Test
SSC MTS 2022 JULY 26 Shift 1 (ENGLISH) Start Test!
SSC GD Previous Year Paper 2021 Nov 17 Shift - I (Hindi) Start Test!
SSC CGL Tier - 1 PYP 2022 April 21 Shift- 1 (ENGLISH) Start Test!
MPSC PAPER I MOCK TEST 1 (ENGLISH) Start Test!
IB Security Assistant Mock test 1 (english) Start Test!
UP POLICE CONSTABLE MOCK TEST 1 Start Test!
DELHI POLICE CONSTABLE MOCK TEST 1 (HINDI) Start Test!
Advertisement