Explore topic-wise MCQs in Electronic Devices and Circuits.

This section includes 7 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.

For the BJT amplifier circuit with Vcc = +10 V, Rc = 1 k and the DC collector bias current equal to 5 mA. The maximum possible negative output signal swing as determined by the need to keep the transistor in the active region.

A. 0.5 V
B. 1 V
C. 5 V
D. 10 V
Answer» D. 10 V
Discussion
2.

For the BJT amplifier circuit with Vcc = +10 V, Rc = 1 k and the DC collector bias current equal to 5 mA. The maximum possible positive output signal swing as determined by the need to keep the transistor in the active region.

A. -1.7 V
B. -2.7 V
C. -3.7 V
D. -4.7 V
Answer» E.
Discussion
3.

For the BJT amplifier circuit with Vcc = +10 V, Rc = 1 k and the DC collector bias current equal to 5 mA. The value of the voltage gain is _______________

A. -2 V/V
B. -4 V/V
C. -10 V/V
D. -20 V/V
Answer» B. -4 V/V
Discussion
4.

For a BJt Vt is 5 V, Rc = 1000 ohm and bias current Ic is 12 mA. The value of the voltage gain is __________

A. -1.2 V/V
B. -2.4 V/V
C. -3.6 V/V
D. -4.8 V/V
Answer» C. -3.6 V/V
Discussion
5.

For the amplifier circuit in the below figure with Vcc = +10 V, Rc = 1 k and the DC collector bias current equal to Ic. The maximum possible negative output signal swing as determined by the need to keep the transistor in the active region.

A. 0.1 Ic
B. Ic
C. 10 Ic
D. 100 Ic
Answer» C. 10 Ic
Discussion
6.

For the amplifier circuit in the below figure with Vcc = +10 V, Rc = 1 k and the DC collector bias current equal to Ic. The maximum possible positive output signal swing as determined by the need to keep the transistor in the active region.

A. 9.7 + Ic
B. 9.7 Ic
C. 10.3 + Ic
D. 10.3 Ic
Answer» B. 9.7 Ic
Discussion
7.

For the amplifier circuit in the below figure with Vcc = +10 V, Rc = 1 k and the DC collector bias current equal to Ic. Find the voltage gain.

A. 100 Ic
B. 200 Ic
C. 400 Ic
D. 800 Ic
Answer» D. 800 Ic
Discussion