Degaussing is the process of Removal of magnetic impurities Demagnetising metallic parts Removing gases from the materials Remagnetising metallic parts TRUE ANSWER : ? YOUR ANSWER : ?
The uniform magnetic field is The field of a set of parallel conductors The field of a single conductor The field in which all lines of magnetic flux are parallel and equidistant None of the listed here TRUE ANSWER : ? YOUR ANSWER : ?
A material which is slightly repelled by a magnetic field is known as diamagnetic material ferromagnetic material paramagnetic material conducting material TRUE ANSWER : ? YOUR ANSWER : ?
The magnetism left in the iron after exciting field has been removed is known as residual magnetism susceptance reluctance permeance TRUE ANSWER : ? YOUR ANSWER : ?
Out of the following statements, concerning an electric field, which statement is not true? The electric intensity is a vector quantity An electric field is defined as a point in space at which an electric charge would experience a force Unit field intensity in the exertion of a force of one newton on a charge of one coulomb The electric field intensity at a point is numerically equal to the force exerted upon a charge placed at that point TRUE ANSWER : ? YOUR ANSWER : ?
The initial permeability of an iron rod is The highest permeability of the iron rod The lowest permeability of the iron rod The permeability almost in non-magnetised state The permeability at the end of the iron rod TRUE ANSWER : ? YOUR ANSWER : ?
The stray line of magnetic flux is defined as A line vertical to the flux lines A line of magnetic flux which does not follow the designed path The mean length of a ring shaped coil A line of magnetic flux in a non-uniform field TRUE ANSWER : ? YOUR ANSWER : ?
Temporary magnets are used in Motors Generators All of the listed here Loud speakers TRUE ANSWER : ? YOUR ANSWER : ?
A rectangular magnet of magnetic moment M is cut into two piece of same length, the magnetic moment of each piece will be M 2M M/4 M/2 TRUE ANSWER : ? YOUR ANSWER : ?
Two long parallel conductors carry 100 A. If the conductors are separated by 20 mm, the force per meter of length of each conductor will be 10 N 0.1 N 100 N 0.01 N TRUE ANSWER : ? YOUR ANSWER : ?