question:- 1- For the induced electromotive force generated through commutator of 2-pole Works as rectifier 2- Explain the necessity and principle of commutator in DC generator. armature, is it AC or DC. E- In the generator, what relation does the revolving velocity of armature has to induce electromotive force? >

Introductory Circuit Analysis (13th Edition)
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6- appraisal question:-
1- For the induced electromotive force generated through commutator of 2-pole
armature, is it AC or DC.
Works as rectifier
2- Explain the necessity and principle of commutator in DC generator.
3- In the generator, what relation does the revolving velocity of armature has to
induce electromotive force? >
4- If the revolving velocity of armature is fixed for a constant direction, how will the
polarity of induced electromotive force are changed when the position of N and S
of permanent magnet used for afield?
In other words, explain the change of induced electromotive force when the
direction of the magnetic line of force in magnetic field is changed.
Transcribed Image Text:6- appraisal question:- 1- For the induced electromotive force generated through commutator of 2-pole armature, is it AC or DC. Works as rectifier 2- Explain the necessity and principle of commutator in DC generator. 3- In the generator, what relation does the revolving velocity of armature has to induce electromotive force? > 4- If the revolving velocity of armature is fixed for a constant direction, how will the polarity of induced electromotive force are changed when the position of N and S of permanent magnet used for afield? In other words, explain the change of induced electromotive force when the direction of the magnetic line of force in magnetic field is changed.
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