Explore topic-wise MCQs in Electric Drives Questions and Answers.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Electric Drives Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.

The slope of the V-I curve is 13°. Calculate the value of resistance. Assume the relationship between voltage and current is a straight line.

A. .2544 Ω
B. .7771 Ω
C. .2308 Ω
D. .5788 Ω
Answer» D. .5788 Ω
Discussion
2.

Calculate the active power in a 1 Ω resistor with 2 A current flowing through it.

A. 2 W
B. 4 W
C. 7 W
D. 1 W
Answer» C. 7 W
Discussion
3.

The slope of the V-I curve is 45°. Calculate the value of resistance. Assume the relationship between voltage and current is a straight line.

A. 2 Ω
B. 3 Ω
C. 4 Ω
D. 1 Ω
Answer» E.
Discussion
4.

Calculate the phase angle of the sinusoidal waveform w(t)=.45sin(87πt+8π÷787).

A. 2π÷39
B. 8π÷787
C. 5π÷74
D. 42π÷4
Answer» C. 5π÷74
Discussion
5.

The ferrite cores are used for ____________ transformers.

A. Small transformers
B. Medium transformers
C. Large transformers
D. Medium and small transformers
Answer» B. Medium transformers
Discussion