All magnetic field originates from
moving electric charge
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The permeability of permalloy is
Who discovered the most important electrical effects which is the magnetic effect?
Which of the following is used by temporary magnets as the magnetic material?
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A negatively charge body has
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What is another name for relative permittivity?
Refers to the non- metallic materials that have the ferromagnetic properties of iron.
What revolves about the positive nucleus in a definite orbit?
One weber of flux is equal to _______ magnetic lines of force.
Which of the following is a paramagnetic material?
What is used as the insulating material or dielectric in an electric ion
What is the SI unit of conductance?
The unit of flux density is
How is mutual inductance between two coils decreased?
The magnetic energy stored in an inductor is ______ current.
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Which of the following magnetic materials can be easily magnetized in both direction?
Flux density is measured in
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What bond is formed when one or more electrons in the outermost energy orbit of an atom are transferred…
It is the reciprocal of reluctance and implies the case of readiness with which magnetic flux is developed.
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