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

This section includes 3 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 0°. Calculate the value of resistance. The graph is parallel to the x-axis.

A. 1 Ω
B. 1.8 Ω
C. 0 Ω
D. 2.2 Ω
Answer» D. 2.2 Ω
2.

Calculate the reactive power in a 5 Ω resistor.

A. 7 VAR
B. 0 VAR
C. 2 VAR
D. 1 VAR
Answer» C. 2 VAR
3.

What is the formula for the active power in the cylindrical rotor synchronous machine? (Eb represents armature emf, Vt represents terminal voltage, δ represents rotor angle, X represents reactance)

A. Eb×Vt×sinδ÷X
B. Eb×Vt2×sinδ÷X
C. Eb2×Vt×sinδ÷X
D. Eb×Vt×sinδ÷X2
Answer» B. Eb×Vt2×sinδ÷X