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If B is the flux density, I the length of conductor and v the velocity of conductor, then induced e.m.f. is given by______________?
Related MCQs
If a D.C. generator fails to build up the probable cause could not be__________?
Brushes of D.C. machines are made of_________?
In D.C. generators, current to the external circuit from armature is given through__________?
Iron losses in a D.C. machine are independent of variations in__________?
Iron losses in a D.C. machine are independent of variations in__________?
The armature of D.C. generator is laminated to__________?
Laminations of core are generally made of__________?
Which of the following could be lamina-proximately the thickness of laminations of a D.C. machine ?
The commutator segments are connected to the armature conductors by means of__________?
The resistance of armature winding depends on
The field coils of D.C. generator are usually made of__________?
In a commutator__________?
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__________?
While applying Fleming’s right-hand rule to And the direction of induced e.m.f., the thumb points towards__________?
In D.C. generators the pole shoes are fastened to the pole core by__________?
Fleming’s right-hand rule regarding direction of induced e.m.f., correlates__________?
In case of D.C. machines, mechanical losses are primary function of__________?
Copper brushes in D.C. machine are used__________?
For a D.C. generator when the number of poles and the number of armature conductors is fixed, then which winding will give the higher e.m.f__________ ?
In D.C. generators, the cause of rapid brush wear may be__________?
The bearings used to support the rotor shafts are generally__________?
In lap winding, the number of brushes is always__________?
In a four-pole D.C. machine__________?
A separately excited generator as compared to a self-excited generator__________?
If B is the flux density, I the length of conductor and v the velocity of conductor, then induced e.m.f. is given by______________?
A. Blv
B. Blv2
C. Bl2v
D. Bl2v2
Correct Answer:
Blv
✔
Last Updated:
July 05, 2018