Magnetism and Electromagnetism The main constituent of permalloy is Chromium Tungsten Cobalt Nickel Chromium Tungsten Cobalt Nickel ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism How does the magnetic compass needle behave in a magnetic field? It assures a position right angle to magnetic field It assures a position which follows a line of magnetic flux None of the listed here It starts rotating It assures a position right angle to magnetic field It assures a position which follows a line of magnetic flux None of the listed here It starts rotating ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magneto-motive force in a 75-turn coil of wire when there are 4 A of current through it? 150 At 100 At 300 At 200 At 150 At 100 At 300 At 200 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For which of the following materials the net magnetic moment should be zero? diamagnetic materials antiferrimagnetic materials ferrimagnetic materials antiferromagnetic materials diamagnetic materials antiferrimagnetic materials ferrimagnetic materials antiferromagnetic materials ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Paramagnetic materials have relative permeability slightly more than unity equal to that ferromagnetic mate rials equal to unity slightly less than unity slightly more than unity equal to that ferromagnetic mate rials equal to unity slightly less than unity ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The change of cross-sectional area of conductor in magnetic field will affect reluctance of conductor resistance of conductor None of these both of the listed here reluctance of conductor resistance of conductor None of these both of the listed here ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS