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Dc Generators QUESTIONS AND ANSWERS

Electrical Engineering : Dc Generators QUESTIONS AND ANSWERS :: part1 : 21 to 25

Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

21.In a four-pole D.C. machine

all the four poles are north poles

alternate poles are north and south

all the four poles are south poles

two north poles follow two south poles

22.According to Fleming's right-hand rule for finding the direction of induced e.m.f., when middle finger points in the direction of induced e.m.f., forefinger will point in the direction of

motion of conductor

lines of force

either of the above

none of the above

23.While applying Fleming's right-hand rule to And the direction of induced e.m.f., the thumb points towards

direction of induced e.m.f.

direction of flux

direction of motion of the conductor if forefinger points in the direction of generated e.m.f.

direction of motion of conductor, if forefinger points along the lines of flux

24.Fleming's right-hand rule regarding direction of induced e.m.f., correlates

magnetic flux, direction of current flow and resultant force

magnetic flux, direction of motion and the direction of e.m.f. induced