Explore topic-wise MCQs in Computer Science.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Computer Science knowledge and support exam preparation. Choose a topic below to get started.

1.

A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current?$

A. 3.75 mA
B. 3.2 mA
C. 0.05 mA
D. 13 mA
E. None of the above
Answer» B. 3.2 mA
Discussion
2.

If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage?

A. 0 V
B. 36 V
C. 40 V
D. 60 V
E. None of the above
Answer» E. None of the above
Discussion
3.

Which is the most widely used semiconductor?

A. Copper
B. Silicon
C. Germanium
D. All of the above
E. None of the above
Answer» C. Germanium
Discussion
4.

The knee voltage of a diode is approximately equal to the

A. Applied voltage
B. Barrier potential
C. Breakdown voltage
D. Forward voltage
E. None of the above
Answer» C. Breakdown voltage
Discussion