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 range of is _________

A. 20 to 500
B. 50 to 300
C. 30 to 400
D. 10 to 20
Answer» B. 50 to 300
Discussion
2.

In ICEO, wt does the subscript CEO mean?

A. collector to base emitter open
B. emitter to base collector open
C. collector to emitter base open
D. emitter to collector base open
Answer» D. emitter to collector base open
Discussion
3.

The relation between and is_________

A. = / (1- )
B. = /(1+ )
C. = / (1+ )
D. = /(1- )
Answer» C. = / (1+ )
Discussion
4.

The collector supply voltage for a CE configured transistor is 10V. The resistance RL=800 . The voltage drop across RL is 0.8V. Find the value of collector emitter voltage.

A. 3.7V
B. 9.2V
C. 6.5V
D. 9.8V
Answer» C. 6.5V
Discussion
5.

A transistor is connected in CE configuration. Collector supply voltage Vcc=10V, RL=800 , voltage drop across RL=0.8V, =0.96. What is base current?

A. 41.97 A
B. 56.78 A
C. 67.67 A
D. 78.54 A
Answer» B. 56.78 A
Discussion
6.

In CE configuration, if the voltage drop across 5k resistor connected in the collector circuit is 5V. Find the value of IB when =50.

A. 0.01mA
B. 0.25mA
C. 0.03mA
D. 0.02mA
Answer» E.
Discussion
7.

A germanium transistor with =0.98 gives a reverse saturation current ICBO=10 A in a CB configuration. When it is used in CE configuration with a base current of 0.22 A, calculate the collector current.

A. 0.9867mA
B. 0.7654mA
C. 0.51078mA
D. 0.23456mA
Answer» D. 0.23456mA
Discussion
8.

The base current amplification factor is given by_________

A. I<sub>C</sub>/I<sub>B</sub>
B. I<sub>B</sub>/I<sub>C</sub>
C. I<sub>E</sub>/I<sub>B</sub>
D. I<sub>B</sub>/I<sub>E</sub>
Answer» B. I<sub>B</sub>/I<sub>C</sub>
Discussion