Explore topic-wise MCQs in Power Systems.

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

1.

If the diameter of the conductor is increased then _____________

A. inductance increases
B. inductance remains unaltered
C. inductance decreases
D. inductance can’s be determined
Answer» B. inductance remains unaltered
2.

Self GMD and GMR vary with each other as __________

A. linearly
B. parabolic
C. exponential
D. none of the mentioned
Answer» E.
3.

As the frequency increases, the flux inside the conductor will ________

A. decrease
B. increase
C. be constant
D. be zero
Answer» B. increase
4.

(i) Skin effect(ii) Proximity effectWhich of the options are right?

A. Both (i) and (ii) cause non uniform distribution of the current
B. Neither (i) and (ii) cause non uniform distribution of the current
C. Both (i) and (ii) cause uniform distribution of the current
D. Only (i) causes the non uniformity of the current
Answer» B. Neither (i) and (ii) cause non uniform distribution of the current
5.

The fictitious resistance, “ r’ ” implemented in the conductors for the calculation of the inductance is _____________

A. 0.7788r
B. 2r
C. r/0.7788
D. r
Answer» B. 2r
6.

SELF_GMD_AND_GMR_VARY_WITH_EACH_OTHER_AS___________?$

A. linearly
B. parabolic
C. exponential
D. none of the mentioned
Answer» E.
7.

If_the_diameter_of_the_conductor_is_increased_then______________$

A. inductance increases
B. inductance remains unaltered
C. inductance decreases
D. inductance can’s be determined
Answer» B. inductance remains unaltered
8.

As the frequency increases, the flux inside the conductor will _______?

A. decrease
B. increase
C. be constant
D. be zero
Answer» B. increase
9.

For a transmission line, the distributed parameters is/are ____________

A. Resistance, inductance, capacitance
B. Resistance
C. Inductance, capacitance
D. None of the mentioned
Answer» B. Resistance
10.

Bundle conductor ______ inductance and ______ capacitance of a transmission line.

A. reduces, increases
B. increases, reduces
C. reduces, keeps constant
D. keeps constant, increases
Answer» B. increases, reduces
11.

Apart from the skin effect the phenomena which cause/s the non uniform distribution of the current is ____________

A. Proximity effect
B. Faraday’s effect
C. Ferranti effect
D. All of the mentioned
Answer» B. Faraday‚Äö√Ñ√∂‚àö√ë‚àö¬•s effect
12.

Ferranti effect causes the non uniform distribution of the current and voltage.

A. True
B. False
Answer» C.
13.

(i) Skin effect

A. Proximity effect
B.
C. Both (i) and (ii) cause non uniform distribution of the current
Answer» B.
14.

The fictitious resistance, “ r’ ” implemented in the conductors for the calculation of the inductance is _____________$

A. 0.7788r
B. 2r
C. r/0.7788
D. r
Answer» B. 2r
15.

Bundled conductors used in the EHV transmission lines result into __________

A. reduced inductance
B. increase capacitance
C. increase inductance
D. increase resistance
Answer» B. increase capacitance