Magnetism and Electromagnetism Materials subjected to rapid reversal of magnetism should have High permeability and low hysteresis loss Large area of B-H loop High co-ercivity and low density High co-ercivity and high retentivity High permeability and low hysteresis loss Large area of B-H loop High co-ercivity and low density High co-ercivity and high retentivity ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Susceptibility is positive for diamagnetic substances non-magnetic substances ferromagnetic substances None of these diamagnetic substances non-magnetic substances ferromagnetic substances None of these ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When the current through the coil of an electromagnet reverses, the magnetic field expands direction of the magnetic field reverses magnetic field collapses direction of the magnetic field remains unchanged magnetic field expands direction of the magnetic field reverses magnetic field collapses direction of the magnetic field remains unchanged 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/4 M/2 2M M M/4 M/2 2M M ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The uniform magnetic field is None of the listed here The field in which all lines of magnetic flux are parallel and equidistant The field of a single conductor The field of a set of parallel conductors None of the listed here The field in which all lines of magnetic flux are parallel and equidistant The field of a single conductor The field of a set of parallel conductors ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism One telsa is equal to 1 Wb/m 1 Wb/mm² 1 mWb/m² 1 Wb/m² 1 Wb/m 1 Wb/mm² 1 mWb/m² 1 Wb/m² ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS