Lenz's law is the consequence of the law of conservation of
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Flux linkages equals
Which of the following materials has permeability slightly less than that of free space?
How much is the flux in Weber in the above problem?
A negative ion results when an atom gains an additional
The greater percentage of materials is _________.
The B-H curve for ________ is a straight line passing through the origin.
A magnetic material losses its ferromagnetic properties at a point called
Who discovered the most important electrical effects which is the magnetic effect?
It is the reciprocal of reluctance and implies the case of readiness with which magnetic flux is developed.
One of the common application of an air- cored choke.
Electrons at the outer shell are called
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Mmf in a magnetic circuit corresponds to _____ in an electric circuit
Which of the following is used by temporary magnets as the magnetic material?
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Magnetic effects of the earth as a huge magnet with north and south poles.
The core of a magnetic equipment uses a magnetic material with
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Define as that pole which when placed in air from a similar and equal pole repels it with a force of…
A factor used to correct for the electrostatic forces of the more distant ions in an ionic solid.
The force which set ups or tends to set up magnetic flux in a magnetic circuit
The unit of electrical energy is
The force between two magnetic poles is _______ their pole strengths.
If the length and area of cross-section of a wire are doubleda then its resistance
Calculate the permeability (in T/A. t/m) of a magnetic material that has a relative permeability of…
The magnetic flux through a coil changes. This results to the induced emf acting in a direction as to
__________ is a substance of whose molecules consist of the same kind of atom.
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