Magnetism and Electromagnetism The force between two long parallel conductors is inversely proportional to Current in one conductor Product of current in two conductors Radius of conductor Distance between the conductors Current in one conductor Product of current in two conductors Radius of conductor Distance between the conductors ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A rectangular magnet of magnetic moment M is cut into two piece of same length, the magnetic moment of each piece will be M M/2 M/4 2M M M/2 M/4 2M ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magnitude and the direction of force per 1.1m length of a pair of conductors of a direct current linecarrying 10 amperes and spaced 100 mm apart ? 22 x 10-6 N 22 x 10"8 N 22 x 10"5 N 22 x 10"7 N 22 x 10-6 N 22 x 10"8 N 22 x 10"5 N 22 x 10"7 N ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism How does the magnetic compass needle behave in a magnetic field? It starts rotating It assures a position which follows a line of magnetic flux None of the listed here It assures a position right angle to magnetic field It starts rotating It assures a position which follows a line of magnetic flux None of the listed here It assures a position right angle to magnetic field ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For which of the following materials the net magnetic moment should be zero? antiferromagnetic materials ferrimagnetic materials antiferrimagnetic materials diamagnetic materials antiferromagnetic materials ferrimagnetic materials antiferrimagnetic materials diamagnetic materials ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For a given wire-wound core, an increase in current through the coil Decreases the flux density Increases the flux density Causes no change in flux density Reverses the flux lines Decreases the flux density Increases the flux density Causes no change in flux density Reverses the flux lines ANSWER DOWNLOAD EXAMIANS APP
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