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

This section includes 4 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.

i1(t) = ?

A. 2.36 cos (4t 41.07) A
B. 2.36 cos (4t 41.07) A
C. 1.37 cos (4t 41.07) A
D. 2.36 cos (4t 41.07) A
Answer» D. 2.36 cos (4t 41.07) A
Discussion
2.

In the bridge shown, Z1 = 300 ohm, Z2 = 400 – j300 ohm, Z3 = 200 + j100 ohm. The Z4 at balance is

A. 400 + j300 ohm
B. 400 – j300 ohm
C. j100 ohm
D. -j900 ohm
Answer» C. j100 ohm
Discussion
3.

Vc(t) = ?

A. 0.89 cos (1000t – 63.43) V
B. 0.89 cos (1000t + 63.43) V
C. 0.45 cos (1000t + 26.57) V
D. 0.45 cos (1000t – 26.57) V
Answer» B. 0.89 cos (1000t + 63.43) V
Discussion
4.

i(t) = ?

A. 20 cos (300t + 68.2) A
B. 20 cos(300t – 68.2) A
C. 2.48 cos(300t + 68.2) A
D. 2.48 cos(300t – 68.2) A
Answer» E.
Discussion