The conduction of electricity across the surface of a dielectric is called
Correct Answer :
Download Objective type questions of
Visit our PDF store
Get all objective type questions of Electricity Fundamentals MCQ
comments powered by Disqus.
If the distance between two magnetic poles decreases by 2 timesa the force between them
Whenever a conductor cuts magnetic fluxa an emf is induced in it. This is known as
What revolves about the positive nucleus in a definite orbit?
Defined as the number of lines per unit area through any substance in a plane at right angles to the…
The reluctance of the magnetic circuit is ________ relative permeability of the material comprising…
The electric potential across part AB of a circuit is 5 V; point A being at higher potential. If a charge…
Who discovered the most important electrical effects which is the magnetic effect?
What is the SI unit of specific resistance or resistivity?
The relation between absolute permittivity of air ( 0)a absolute p and velocity of light (c) is given…
A length of wire has a resistance of 10 ohms. What is the resistance of a wire of the same material…
A law establishing the fact that the algebraic su of the rises and drops of the mmf around a closed…
The resistivity of a conductor ___________ with an increase in temperature.
One weber of flux is equal to _______ magnetic lines of force.
A theorem which states that an electric current flowing in a circuit produces a magnetic field at external…
There are how many compounds available in nature?
A magnetic flux of 2.5 x10^4 Wb through an area of 5 x10^4 square meters results in
If the right handed bottle-opener cork screw is assumed to be along the conductor so as to advance in…
When a wire loop is rotated in a magnetic field the direction of the induced emf changes one in every…
What is the SI unit of conductivity?
Permeance of a magnetic circuit is _________ the cross-sectional area of the circuit.
One farad equals
The space outside the magnet where its pole have a force of attraction or repulsion on a magnetic pole…
Define as that pole which when placed in air from a similar and equal pole repels it with a force of…
What is the SI unit of conductance?
Calculate the permeability (in T/A. t/m) of a magnetic material that has a relative permeability of…
A negatively charge body has
The hot resistance of an incandescent lamp is about _______ its cold resistance.
Germanium atom has ______ protons and ______ electrons.
How much is the flux in Weber in the above problem?
Bonding of atoms that is due to the force of attraction between positive ions and a group of negative…
Join our Chat Group
Join our Twitter Group
Join our Pinterest Group
Join our Facebook Group
Subscribe to our Email Newsletter