Explore topic-wise MCQs in Electronic Devices and Circuits Questions and Answers.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Electronic Devices and Circuits Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.

For the voltage divider circuit, if a diode is connected in reverse direction across the base Find the value of β? (Vd=1.2v and input is 1V)

A. 0
B. 50
C. 100
D. cannot be determined
Answer» E.
Discussion
2.

For a Voltage divider circuit having RC=R1=R2=RE=1KΩ, if VCC=20V, find IC when Vce = VCC?

A. 1mA
B. 2mA
C. 20mA
D. 0
Answer» E.
Discussion
3.

For a Voltage divider bias circuit, having R1=R2=10KΩ, RC=4.7 KΩ, RE=1 KΩ, What is the value of collector current at saturation if VCC=10V?

A. 1A
B. 10mA
C. 0.87mA
D. 1ma
Answer» C. 0.87mA
Discussion
4.

For a fixed bias circuit having RC=4.7KΩ and RB=1KΩ, VCC=10V, and base current at Bias point was found to be 0.2µA, Find β?

A. 100
B. 106
C. 125
D. 0
Answer» C. 125
Discussion
5.

For a Fixed bias circuit having RC=2.2KΩ, RB=240Ω, VCC=12v and current amplification factor is 100 and the current flowing through the base is 20µA, the value if Collector current in saturation is_____________

A. 5.4mA
B. 3mA
C. 1mA
D. 0A
Answer» B. 3mA
Discussion