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.

A LM380 power amplifier is used in a intercom system with amplifier gain = 50 and the transformer turns ratio is given as 35.Find the overall gain of the circuit.

A. 1880
B. 1750
C. 1370
D. 1580
Answer» C. 1370
Discussion
2.

Which amplifier provides twice output swing as that of LM380 amplifier?

A. Hybrid power amplifier
B. Bridge power audio amplifier
C. Monolithic power audio amplifier
D. Dual power amplifier
Answer» C. Monolithic power audio amplifier
Discussion
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