Electron is a Greek word for
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What is the usual value of leakage coefficient for electrical machines?
All matters (gasa liquid and solid) are composed of
If the resistance of a material 2 m long and 2 m^2 in area of cross-section is 1.6 ×10^-8 ?a then…
If the right handed bottle-opener cork screw is assumed to be along the conductor so as to advance in…
The magnetic energy stored in an inductor is ______ current.
The energy stored in an electrostatic field or electromagnetic field is called
One that has magnetic poles produced by internal atomic structure with no external current necessary
What solid has no defined crystal structure except perhaps in the arrangement of the nearest neighboring…
Amorphous solid is also called
As the magnetic intensity decreasesa the relative permeability of a magnetic material
An alloy of 40 percent iron and 60 percent nickel.
If the value of 0 a conductor is 1/234 per oCa then the value of 18is
The electric field intensity between the parallel plate air capacitor is 20 N/C. If an insulating slab…
What principle states that each electron in an atom must have a different set of quantum numbers?
The force of attraction or repulsion between two magnetic poles is directly proportional to their strengths.
A principle that states that only two electrons with different spins are allowed to exist in a given…
The ability of a material to conduct magnetic flux through it.
The branch of Engineering which deals with the magnetic effect of electric current is known as
All magnetic field originates from
Permanent magnets can be found in
Who discovereda the relationship between magnetism and electricity that serves as the foundation for…
The force between two charges placed a given distance apart ______ as the relative permittivity of the…
A theorem which states that an electric current flowing in a circuit produces a magnetic field at external…
Small voltages generated by a conductor with current in an external magnetic field.
What is the SI unit of magnetic flux?
Electric field intensity is measured in
Residual magnetism refers to the flux densitya which exists in the iron core when the magnetic field…
The B-H curve of ________ is not a straight line.
The uncharged particles which have no effect on its atomic charge.
Which of the following materials has the highest dielectric strength?
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