Explore topic-wise MCQs in Electronic Devices and Circuits Questions and Answers.

This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Electronic Devices and Circuits Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.

The symbols dBA, dBB and dBC are used for to estimated human ear’s reaction to sound.

A. True
B. False
Answer» B. False
Discussion
2.

What is the value of power gain in decibels if Poutput = 250W and Pinput = 100W?

A. 2.48dB
B. 3.98dB
C. 1.78dB
D. 3.54dB
Answer» C. 1.78dB
Discussion
3.

What is the value of voltage gain in decibels if Voutput = 20V and Vinput = 15V?

A. 1.75dB
B. 2.28dB
C. 1.37dB
D. 2.48dB
Answer» E.
Discussion