The simplest type of atom to exist is the ______ atom.
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What is another name for relative permittivity?
An alloy of 22 percent iron and 78 per cent nickel.
What is the SI unit of reluctance?
Electron is a Greek word for
A positively charged body has
What bond is formed when electrons in the outermost energy orbits of the atoms are shared between two…
The ratio of the total flux (flux in iron path) to the useful flux (flux in air gap)
Who discovereda the relationship between magnetism and electricity that serves as the foundation for…
Permanent magnets can be found in
The science of adapting electronics to aerospace flight.
Magnetic effects of the earth as a huge magnet with north and south poles.
The temperature coefficient of resistance of insulators is
Whenever a flux inking a coil or current changesa an emf is induced in it. This is known as
Materials whose permeabilities are slightly greater than that of free space
One weber of flux is equal to _______ magnetic lines of force.
The magnetic potential in a magnetic circuit can be measured in terms of
The unit of electrical energy is
All matters (gasa liquid and solid) are composed of
A law establishing the fact that the algebraic su of the rises and drops of the mmf around a closed…
Electric field intensity is a ________.
Which of the following is a vector quantity?
Which of the following is a paramagnetic material?
The mass of proton is __________ the mass of an electron.
What is the SI unit of magnetic flux?
The property of magnetic materials of retaining magnetism after withdrawal of the magnetizing force…
The emission of electrons from hot bodies is called
Cobalt is an example of a ______ material.
Lenz' law states that the direction of the induced emf and hence current
The emf produced in a wire by its motion across a magnetic field does not depend upon the
Who discovered that a current-carrying conductor would move when placed in a magnetic field?
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