Define as that pole which when placed in air from a similar and equal pole repels it with a force of newtons
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Which of the following electric quantities is vector in character?
Defined as the flux density produced in it due to its own induced magnetism
Magnetic field intensity is a ________ quantity.
The electric flux density is a ________ quantity.
______ is an electromagnet with its core in the form of a close magnetic ring.
If the number of valence electrons of an atom is exactly 4a then the substance is called
What principle states that each electron in an atom must have a different set of quantum numbers?
Temporary magnets are commonly employed in
It is the reciprocal of reluctance and implies the case of readiness with which magnetic flux is developed.
A magnetic circuit carries a flux iin the iron part and a fluxgin the air gap. What is the leakage coefficient?
Magnetic fields do not interact with
The diameter of a hydrogen atom is approximately ______ cm.
What is the other name for dielectric strength?
The branch of Engineering which deals with the magnetic effect of electric current is known as
The lagging effect between flux density of the material and the magne
If the magnetic material is located within a coil through which alternating current (60 Hz frequency)…
A group of magnetically aligned atoms is called
What determines the atomic number of an element?
Who discovereda the relationship between magnetism and electricity that serves as the foundation for…
The ratio of the total flux (flux in iron path) to the useful flux (flux in air gap)
Hydrogen is an example of a _____ material.
The emission of electrons from hot bodies is called
The force between two magnetic poles is _______ their pole strengths.
If the relative permittivity of a material is 10a then its permittivity is
Electrons at the outer shell are called
A factor used to correct for the electrostatic forces of the more distant ions in an ionic solid.
Calculate the flux density that will be produced by the field intensity of 2000 a. t/m for a permeability…
The force between two magnetic poles varies with the distance between them. The variation is ______…
If a magnetic flux cuts across 200 turns at a rate of 2Wb/sa the induced voltage according to Faraday's…
The force acting on a unit n- pole placed at that point is called
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