What bond is formed when one or more electrons in the outermost energy orbit of an atom are transferred to another?
Van der Waals
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Which of the following is a natural magnet?
Under ordinary conditionsa a body is considered
The simplest type of atom to exist is the ______ atom.
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What is used as the insulating material or dielectric in an electric ion
The ratio of the total flux (flux in iron path) to the useful flux (flux in air gap)
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The magnetic field inside a solenoid
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One that has magnetic poles produced by internal atomic structure with no external current necessary
The magnetic flux through a wire loop in a magnetic field does not d
What is the diameter of an atom?
Amorphous solid is also called
Electric field intensity at a point is numerically equal to ________ at that point.
Core materials of a good relay have _________ hysteresis loop.
A good conductor has how many valence electrons?
Who developed the electromagnetic theory of light in 1862?
The property of a material which opposes the creation of magnetic flux in it
The phenomenon that when an electric current passes through an anisotropic crystala there is an absorption…
The magnetic field of a bar magnet most closely resembles the magnetic field of
A group of magnetically aligned atoms is called
Small voltages generated by a conductor with current in an external magnetic field.
It is the reciprocal of reluctance and implies the case of readiness with which magnetic flux is developed.
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