One that has magnetic poles produced by internal atomic structure with no external current necessary
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Defined as a closed path in which magnetic induction or flux flows
The quantity of magnetism retained by a magnetic material after withdrawal of the magnetizing force…
Gases whose particles are charged are known as
What is used as the dielectric material in high voltage transformers?
One oersted (Oe) is equivalent to _____ Gb/cm.
An atom or a group of atoms that carries a net electric charge.
A magnetizing force of 1000 AT/m will produce a flux density of __________ i
The force between two magnetic poles varies with the distance between them. The variation is ______…
Hydrogen is an example of a _____ material.
The tiniest element of matter
Electron is a Greek word for
The force of attraction or repulsion between two magnetic poles is inversely proportional to the square…
What is the measure of the density and sign of the electric charge at a point relative to that at some…
What determines the atomic number of an element?
The greater percentage of materials is _________.
Refers to the non- metallic materials that have the ferromagnetic properties of iron.
Who discovereda the relationship between magnetism and electricity that serves as the foundation for…
Temporary magnets are commonly employed in
How much is the flux in Weber in the above problem?
The branch of Engineering which deals with the magnetic effect of electric current is known as
Used to maintain strength of magnetic field
An alloy of 22 percent iron and 78 per cent nickel.
The temperature coefficient of resistance of conductors is
Which of the following materials has the least hysteresis loop area?
Which of the following magnetic materials can be easily magnetized in both direction?
The property of magnetic materials of retaining magnetism after withdrawal of the magnetizing force…
If a 20 V potential is applied across a relay coil with 50 turns having 1 ? of resistancea the total…
Another term for corona discharge.
The reluctance of a magnetic circuit is not dependent on which of the following?
The magnetic field inside a solenoid
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