Magnetism and Electromagnetism The ability of a material to remain magnetized after removal of the magnetizing force is known as retentivity hysteresis reluctance permeability retentivity hysteresis reluctance permeability ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A square cross-sectional magnet has a pole strength of 1 x 10 Wb and cross sectional area of 20 mm x 20 mm. What is the strength at a distance of 100 mm from the unit pole in air ? 6338 N/Wb 63380 N/Wb 63.38 N/Wb 633.8 N/Wb 6338 N/Wb 63380 N/Wb 63.38 N/Wb 633.8 N/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For which of the following materials the net magnetic moment should be zero? antiferrimagnetic materials antiferromagnetic materials ferrimagnetic materials diamagnetic materials antiferrimagnetic materials antiferromagnetic materials ferrimagnetic materials diamagnetic materials ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The initial permeability of an iron rod is The highest permeability of the iron rod The permeability almost in non-magnetised state The lowest permeability of the iron rod The permeability at the end of the iron rod The highest permeability of the iron rod The permeability almost in non-magnetised state The lowest permeability of the iron rod The permeability at the end of the iron rod ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The materials are a bit inferior conductors of magnetic flux than air. None of the listed here Dielectric Ferromagnetic Diamagnetic None of the listed here Dielectric Ferromagnetic Diamagnetic ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When an iron piece is placed in a magnetic field the iron piece will break the magnetic lines of force will bend away from their usual paths in order to pass through the piece the magnetic field will not be affected the magnetic lines of force will bend away from their usual paths in order to go away from the piece the iron piece will break the magnetic lines of force will bend away from their usual paths in order to pass through the piece the magnetic field will not be affected the magnetic lines of force will bend away from their usual paths in order to go away from the piece ANSWER DOWNLOAD EXAMIANS APP
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