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

This section includes 4 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.

The value of the diode small-signal resistance rd at bias currents of 0.1 mA is

A. 250 Ω
B. 25 Ω
C. 2.5 Ω
D. 0.25 Ω
Answer» B. 25 Ω
2.

Calculate the change in the voltage when RL is connected as shown below.

A. -10 mA
B. -15 mA
C. -20 mA
D. -25 mA
Answer» D. -25 mA
3.

Calculate the %age change in the regulated voltage caused by a change of ±10% in the input voltage. (RL is not connected to the circuit)

A. ± 0.5%
B. ± 1%
C. ± 5%
D. ± 10%
Answer» B. ± 1%
4.

Which of the following is method to model a diode’s forward characteristics?

A. Iteration method
B. Graphical method
C. Constant-voltage drop model
D. All of the mentioned
Answer» E.