Transistor Biasing MCQs

Option A: 3 V

Option B: 8 V

Option C: 6 V

Option D: 7 V

Correct Answer: 3 V ✔

Option A: Limit the maximum emitter current

Option B: Provide base-emitter bias

Option C: Limit the change in emitter current

Option D: None of the above

Correct Answer: Limit the change in emitter current ✔

Option A: Amplifier circuits

Option B: Switching circuits

Option C: Rectifier circuits

Option D: None of the above

Correct Answer: Switching circuits ✔

Option A: 25

Option B: 50

Option C: 100

Option D: 200

Correct Answer: 50 ✔

Option A: Remains the same

Option B: Decreases

Option C: Increases

Option D: None of the above

Correct Answer: Decreases ✔

Option A: 10 kO

Option B: 1 MO

Option C: 100 kO

Option D: 800 O

Correct Answer: 800 O ✔

Option A: Depends upon IC to moderate extent

Option B: Is almost independent of IC

Option C: Is strongly dependant on IC

Option D: None of the above

Correct Answer: Is almost independent of IC ✔

Option A: 105 kO

Option B: 530 kO

Option C: 315 kO

Option D: None of the above

Correct Answer: 530 kO ✔

Option A: Change in ICBO

Option B: Change in VCC

Option C: Change in the values of circuit resistance

Option D: None of the above

Correct Answer: Change in ICBO ✔

Option A: RE consideration

Option B: RC consideration

Option C: VCC consideration

Option D: None of the above

Correct Answer: RE consideration ✔

Option A: VCE consideration

Option B: VBE consideration

Option C: IB consideration

Option D: None of the above

Correct Answer: VCE consideration ✔

Option A: Be zero

Option B: Be 0.2 V

Option C: Not fall below 0.7 V

Option D: None of the above

Correct Answer: Not fall below 0.7 V ✔

Option A: VBE

Option B: 2VBE

Option C: 5 VBE

Option D: None of the above

Correct Answer: VBE ✔

Option A: The same as

Option B: More than

Option C: Less than

Option D: None of the above

Correct Answer: Less than ✔

Option A: Remains the same

Option B: Is increased

Option C: Is decreased

Option D: None of the above

Correct Answer: Is decreased ✔

Option A: RB (ß+1)

Option B: (ß+1)RC

Option C: (ß+1)

Option D: 1-ß

Correct Answer: (ß+1) ✔

Option A: 7 V

Option B: 3 V

Option C: V

Option D: 8 V

Correct Answer: V ✔

Option A: 2000 O

Option B: 1400 O

Option C: 800 O

Option D: 1600 O

Correct Answer: 800 O ✔

Option A: High stability factor

Option B: Low base current

Option C: Many resistors

Option D: None of the above

Correct Answer: Many resistors ✔

Option A: The end point

Option B: Middle

Option C: The maximum current point

Option D: None of the above

Correct Answer: Middle ✔

Option A: Collector is reverse biased

Option B: Transistor is not biased

Option C: Emitter is forward biased

Option D: Junction capacitance is high

Correct Answer: Transistor is not biased ✔

Option A: Also line

Option B: Does not lie

Option C: May or may not lie

Option D: Data insufficient

Correct Answer: Also line ✔

Option A: Cut off point

Option B: Quiescent point

Option C: Saturation point

Option D: None of the above

Correct Answer: Quiescent point ✔

Option A: 10 IB

Option B: 3 IB

Option C: 2 IB

Option D: 4 IB

Correct Answer: 10 IB ✔

Option A: Is complicated

Option B: Is sensitive to changes in ß

Option C: Provides high stability

Option D: None of the above

Correct Answer: Is sensitive to changes in ß ✔

Option A: 100

Option B: 200

Option C: More than 200

Option D: 1

Correct Answer: 200 ✔

Option A: One hundredth

Option B: One tenth

Option C: One thousandth

Option D: One millionth

Correct Answer: One thousandth ✔

Option A: 100 µA

Option B: 25 µA

Option C: 20 µA

Option D: 50 µA

Correct Answer: 50 µA ✔

Option A: 6 mA

Option B: mA

Option C: 3 mA

Option D: 1 mA

Correct Answer: mA ✔

Option A: Base resistor bias

Option B: Collector feedback bias

Option C: Potential divider bias

Option D: None of the above

Correct Answer: Potential divider bias ✔

Option A: Biasing circuit

Option B: Bias battery

Option C: Diode

Option D: None of the above

Correct Answer: Biasing circuit ✔

Option A: Proper direct current

Option B: Proper alternating current

Option C: The base current small

Option D: Collector current small

Correct Answer: Proper direct current ✔

Option A: Be zero

Option B: Be 0.01 V

Option C: Not fall below 0.7 V

Option D: Be between 0 V and 0.1 V

Correct Answer: Not fall below 0.7 V ✔

Option A: 4

Option B: 1

Option C: 3

Option D: More than 10

Correct Answer: 1 ✔

Option A: Operating point

Option B: Current gain

Option C: Voltage gain

Option D: None of the above

Correct Answer: Operating point ✔

Option A: Not fall below 1 V

Option B: Be zero

Option C: Be 0.2 V

Option D: None of the above

Correct Answer: Not fall below 1 V ✔

Option A: Values of IC and VCE when signal is applied

Option B: The magnitude of signal

Option C: Zero signal values of IC and VCE

Option D: None of the above

Correct Answer: Zero signal values of IC and VCE ✔

Option A: a.c

Option B: d.c

Option C: both a.c. and d.c

Option D: none of the above

Correct Answer: d.c ✔

Option A: Proper forward bias

Option B: Proper reverse bias

Option C: Very small size

Option D: None of the above

Correct Answer: Proper reverse bias ✔

Option A: Decrease in the base current

Option B: Unfaithful amplification

Option C: Excessive collector bias

Option D: None of the above

Correct Answer: Unfaithful amplification ✔