Yoke in d.c. machine serves the outermost cover. For magnetic flux it – McqOptions

MCQOPTIONS

1.	Yoke in d.c. machine serves the outermost cover. For magnetic flux it provides
A.	A low reluctance path
B.	A high reluctance path
C.	Both (a) & (b)
D.	Does not provide path for magnetic flux
Answer» B. A high reluctance path

Discussion

No Comment Found

Related MCQs

<p> In double delta transformation, a double delta refers to the case where there are two delta transformations in</p>
<p> The value of load angle δ and the internal machine angle ∅ for maximum power developed in synchronous motor is equal to</p>
<p> What happens if a stationary alternator is connected to live bus bar?</p>
<p> If a d.c. series motor is started on very light load or on no load then</p>
<p> If the flux is increased by 50% and speed is reduced by 50% of a d.c. motor (keeping the other parameters constant), then its back emf will become</p>
<p> In a single phase, full wave bridge circuit and in three phase, delta full wave bridge circuit, the ripple voltage frequency is always</p>
<p> During the one complete revolution of the conductor in a 4 pole synchronous generator, induced emf will experience</p>
<p> Which method is suitable for the speed control, below and above the normal rated speed of d.c. shunt motor?</p>
<p> When the induction motor runs faster than the synchronous speed, the induction motor runs as</p>
<p> The performance of induction motor is effected by the harmonics in the</p>