Explore topic-wise MCQs in Electronic Devices and Circuits.

This section includes 5 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.

A transistor has an IE of 0.9mA and amplification factor of 0.98. What will be the IC?

A. 0.745mA
B. 0.564mA
C. 0.236mA
D. 0.882mA
Answer» E.
Discussion
2.

The relation between and is _________

A. = /(1- )
B. = /(1+ )
C. = /(1+ )
D. = /(1- )
Answer» C. = /(1+ )
Discussion
3.

Determine the value of emitter current and collector current of a transistor having =0.98 and collector to base leakage current ICBO=4 A. The base current is 50 A.

A. 1.5mA
B. 3.7mA
C. 2.7mA
D. 4.5mA
Answer» D. 4.5mA
Discussion
4.

The emitter current IE in a transistor is 3mA. If the leakage current ICBO is 5 A and =0.98, calculate the collector and base current.

A. 3.64mA and 35 A
B. 2.945mA and 55 A
C. 3.64mA and 33 A
D. 5.89mA and 65 A
Answer» C. 3.64mA and 33 A
Discussion
5.

A transistor has an IC of 100mA and IB of 0.5mA. What is the value of dc?

A. 0.787
B. 0.995
C. 0.543
D. 0.659
Answer» C. 0.543
Discussion