6) Flashing the field of D.C. generator means A. Neutralizing residual magnetism B. Creating residual magnetism by a D.C. source C. Making the magnetic losses of forces parallel D. Increasing flux density by adding extra turns of windings on poles E. None of the above

6) Flashing the field of D.C. generator means A. Neutralizing residual magnetism B. Creating residual magnetism by a D.C. source C. Making the magnetic losses of forces parallel D. Increasing flux density by adding extra turns of windings on poles E. None of the above

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter3: Power Transformers

Section: Chapter Questions

Problem 3.1MCQ: The Ohms law for the magnetic circuit states that the net magnetomotive force (mmf) equals the...

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Concept explainers

Magnetic Moment

The magnetic moment is defined as the alignment of a magnet and its strength when the magnet is creating a magnetic field. There are number of examples of the magnetic moment, few are a current carrying conductor in the form of coil, elements at microscopic levels like electrons and many more.

Question

6) Flashing the field of D.C. generator means
A. Neutralizing residual magnetism
B. Creating residual magnetism by a D.C. source
C. Making the magnetic losses of forces parallel
D. Increasing flux density by adding extra turns of windings on poles
E. None of the above

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