Explore topic-wise MCQs in Electric Drives.

This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Electric Drives knowledge and support exam preparation. Choose a topic below to get started.

1.

Calculate the quality factor for the R-C circuit if R=2 Ω and C=1 F.

A. 0.2
B. 0.4
C. 0.6
D. 0.5
Answer» E.
2.

Calculate the equivalent resistance when two resistances are connected in parallel of values 8 Ω, 8 Ω.

A. 3 Ω
B. 2 Ω
C. 4 Ω
D. 7 Ω
Answer» D. 7 Ω
3.

The quality factor is calculated for ___________

A. Power factor loads
B. Inductive coils
C. Lagging loads
D. Leading loads
Answer» C. Lagging loads
4.

Calculate the quality factor for the R-L circuit if R=28 Ω and L=2 H.

A. 14
B. 16
C. 10
D. 17
Answer» B. 16
5.

Calculate the value of the capacitive reactance during resonance if the value of the inductor is 5 H and supply frequency is 20 rad/sec.

A. 100 Ω
B. 200 Ω
C. 300 Ω
D. 700 Ω
Answer» B. 200 Ω
6.

Calculate the value of equivalent inductance for series subtracting polarity of two coils whose self inductances are 14 H, 5 H, and mutual inductance value is 1 H.

A. 15 H
B. 17 H
C. 12 H
D. 10 H
Answer» C. 12 H
7.

Calculate the value of equivalent inductance for series aiding of two coils whose self inductances are 5 H, 2 H, and mutual inductance value is 4 H.

A. 15 H
B. 12 H
C. 13 H
D. 11 H
Answer» B. 12 H
8.

Calculate the value of the coefficient of coupling for the isolated coils.

A. 0
B. 1
C. 5
D. 7
Answer» B. 1
9.

The natural response is due to _________ conditions present in the circuit.

A. Initial
B. Final
C. Zero
D. Negative
Answer» B. Final
10.

Calculate the steady state value for x(t)=4(1-e-3t).

A. 5
B. 4
C. 3
D. 2
Answer» C. 3
11.

Transient response is a temporary response.

A. True
B. False
Answer» B. False
12.

The characteristics shown by an element in the I-V curve is V=I2. The nature of the element is _______

A. Non-linear, Bilateral, Passive
B. Linear, Unilateral, Active
C. Linear, Bilateral, Passive
D. Non-linear, Unilateral, Active
Answer» E.
13.

Full form of DTC.

A. Direct torque control
B. Digital torque control
C. Discrete torque control
D. Distribution torque control
Answer» B. Digital torque control
14.

The forced response is due to a source present in the circuit.

A. True
B. False
Answer» B. False
15.

A circuit consists of 3 F capacitor and 5 H inductor. Determine the order of the circuit.

A. 2
B. 1
C. 3
D. 0
Answer» B. 1