A factor used to correct for the electrostatic forces of the more distant ions in an ionic solid.
Correct Answer :
Download Objective type questions of
Visit our PDF store
Get all objective type questions of Electricity Fundamentals MCQ
comments powered by Disqus.
The force between two magnetic poles is _____ their poles strength.
If two similar charges 1 coulomb each are placed 1 m apart in aira then the force of repulsion is
How many neutrons does a copper atom have?
A one cubic cm of copper has how many free electrons at room temperature?
The B-H curve for ________ is a straight line passing through the origin.
The ratio of the total flux (flux in iron path) to the useful flux (flux in air gap)
The phenomenon that when an electric current passes through an anisotropic crystala there is an absorption…
The temperature coefficient of resistance of insulators is
The unit of electrical energy is
Theory of ferromagnetic phenomena which assumes each atom is a permanent magnet which can turn freely…
Materials whose permeabilities are slightly greater than that of free space
The force between two magnetic poles is _______ their pole strengths.
If the right handed bottle-opener cork screw is assumed to be along the conductor so as to advance in…
The emf produced in a wire by its motion across a magnetic field does not depend upon the
A negative ion results when an atom gains an additional
Residual magnetism refers to the flux densitya which exists in the iron core when the magnetic field…
Paramagnetic substance has a relative permeability of
How many electrons are needed in the valence orbit to give a material's stability?
Who developed the electromagnetic theory of light in 1862?
What is another name for relative permittivity?
The force which set ups or tends to set up magnetic flux in a magnetic circuit
Magnetic intensity is a
Whenever a conductor cuts magnetic fluxa an emf is induced in it. This is known as
Gases whose particles are charged are known as
The magnetic field inside a solenoid
The B-H curve of ________ is not a straight line.
An effect which is generally used in the gausameter to measure flux density.
A length of wire has a resistance of 10 ohms. What is the resistance of a wire of the same material…
The ability of a mechanically stressed ferromagnetic wire to recognize rapid switching of magnetization…
Join our Chat Group
Join our Twitter Group
Join our Pinterest Group
Join our Facebook Group
Subscribe to our Email Newsletter