The input resistance of the base of a voltage-divider biased transistor can be neglected _________

only if the base current is much smaller than the current through R2 (the lower bias resistor)

only if the base current is much larger than the current through R2 (the lower bias resistor

Emitter bias requires _______

both positive and negative supply voltage

Ideally, for non linear operation, a transistor should be biased so that the Q-point is ________

halfway between cut off and saturation

Explore topic-wise MCQs in Electronic Devices and Circuits.

This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Electronic Devices and Circuits knowledge and support exam preparation. Choose a topic below to get started.

1.	The input resistance of the base of a voltage-divider biased transistor can be neglected _________
A.	at all times
B.	only if the base current is much smaller than the current through R2 (the lower bias resistor)
C.	at no time
D.	only if the base current is much larger than the current through R2 (the lower bias resistor
Answer» C. at no time

Discussion

2.	The linear (active) operating region of a transistor lies along the load line below ________ and above ___________
A.	cut off, saturation
B.	saturation, cut off
C.	active, saturation
D.	cut off, active
Answer» C. active, saturation

Discussion

3.	Voltage-divider bias has a relatively stable Q-point, as does_________
A.	base bias
B.	collector-feedback bias
C.	emitter bias
D.	both base and emitter bias
Answer» C. emitter bias

Discussion

4.	Which transistor bias circuit arrangement has poor stability because its Q-point varies widely with _DC?
A.	base bias
B.	voltage-divider bias
C.	emitter bias
D.	collector bias
Answer» B. voltage-divider bias

Discussion

5.	Emitter bias requires _______
A.	only a positive supply voltage
B.	only a negative supply voltage
C.	no supply voltage
D.	both positive and negative supply voltage
Answer» E.

Discussion

6.	What is the Q-point for a fixed-bias transistor with I_B = 75 A , _DC = 100, V_CC = 20 V, and R_C = 1.5 K Ohm?
A.	V<sub>C</sub> = 0 V
B.	V<sub>C</sub> =12.25V
C.	V<sub>C</sub> = 8.75 V
D.	V<sub>C</sub> = 20V
Answer» D. V<sub>C</sub> = 20V

Discussion

7.	The most stable biasing technique used is the ____________
A.	voltage-divider bias.
B.	base bias
C.	emitter bias
D.	collector bias
Answer» B. base bias

Discussion

8.	Ideally, for non linear operation, a transistor should be biased so that the Q-point is ________
A.	near saturation
B.	near cut off
C.	where I<sub>c</sub> is maximum
D.	halfway between cut off and saturation
Answer» E.

Discussion

Explore topic-wise MCQs in Electronic Devices and Circuits.

The input resistance of the base of a voltage-divider biased transistor can be neglected _________

The linear (active) operating region of a transistor lies along the load line below ________ and above ___________

Voltage-divider bias has a relatively stable Q-point, as does_________

Which transistor bias circuit arrangement has poor stability because its Q-point varies widely with DC?

Emitter bias requires _______

What is the Q-point for a fixed-bias transistor with IB = 75 A , DC = 100, VCC = 20 V, and RC = 1.5 K Ohm?

The most stable biasing technique used is the ____________

Ideally, for non linear operation, a transistor should be biased so that the Q-point is ________

The linear (active) operating region of a transistor lies along the load line below and above ___

Which transistor bias circuit arrangement has poor stability because its Q-point varies widely with _DC?

What is the Q-point for a fixed-bias transistor with I_B = 75 A , _DC = 100, V_CC = 20 V, and R_C = 1.5 K Ohm?