Magnetism and Electromagnetism What will be the magnetic potential difference across the air gap of 2 cm length in magnetic field of 200 AT/m? 10 AT 4 AT 8 AT 16 AT 10 AT 4 AT 8 AT 16 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For which of the following materials the net magnetic moment should be zero? diamagnetic materials ferrimagnetic materials antiferromagnetic materials antiferrimagnetic materials diamagnetic materials ferrimagnetic materials antiferromagnetic materials antiferrimagnetic materials ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism In a simple magnetic field the strength of magnet flux first increases and then decreases till it becomes zero is constant and has same value in energy part of the magnetic field decreases continuously from initial value to final value increases continuously from initial value to final value first increases and then decreases till it becomes zero is constant and has same value in energy part of the magnetic field decreases continuously from initial value to final value increases continuously from initial value to final value ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Paramagnetic materials have relative permeability equal to that ferromagnetic mate rials slightly less than unity slightly more than unity equal to unity equal to that ferromagnetic mate rials slightly less than unity slightly more than unity equal to unity 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 ? 633.8 N/Wb 63380 N/Wb 63.38 N/Wb 6338 N/Wb 633.8 N/Wb 63380 N/Wb 63.38 N/Wb 6338 N/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Substances which have permeability less than the permeability of free space are known as Paramagnetic material Bipolar Diamagnetic material Ferro magnetic material Paramagnetic material Bipolar Diamagnetic material Ferro magnetic material ANSWER DOWNLOAD EXAMIANS APP
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