Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

What will the power gain of a transistor if it’s α value is 0.80 and the voltage gain is 95?

A. 70
B. 80
C. 76
D. 75
Answer» D. 75
2.

A transistor having α = 0.90 is used in a common base amplifier. If the load resistance is 5.0 kΩ and the dynamic resistance of the emitter junction is 50 Ω, then calculate the voltage gain.

A. 50
B. 100
C. 70
D. 90
Answer» E.
3.

Identify the relationship between base current amplification (α) and emitter current amplification (β).

A. β=\(\frac {\alpha }{1- \alpha}\)
B. β=\(\frac {1 – \alpha }{\alpha}\)
C. β=\(\frac {\alpha }{1 + \alpha}\)
D. β=\(\frac {1 + \alpha }{1 – \alpha}\)
Answer» B. β=\(\frac {1 – \alpha }{\alpha}\)
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