Explore topic-wise MCQs in Power Systems.

This section includes 5 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. tinductance increases
B. tinductance remains unaltered
C. tinductance decreases
D. tinductance can s be determined
Answer» B. tinductance remains unaltered
Discussion
2.

Self GMD and GMR vary with each other as __________

A. tlinearly
B. tparabolic
C. texponential
D. tnone of the mentioned
Answer» E.
Discussion
3.

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

A. tdecrease
B. tincrease
C. tbe constant
D. tbe zero
Answer» B. tincrease
Discussion
4.

(i) Skin effect
(ii) Proximity effect

A. nWhich of the options are right?
B. tBoth (i) and (ii) cause non uniform distribution of the current
C. tNeither (i) and (ii) cause non uniform distribution of the current
D. tBoth (i) and (ii) cause uniform distribution of the current
E. tOnly (i) causes the non uniformity of the current
Answer» B. tBoth (i) and (ii) cause non uniform distribution of the current
Discussion
5.

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

A. t0.7788r
B. t2r
C. tr/0.7788
D. tr
Answer» B. t2r
Discussion