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/4 M/2 2M M M/4 M/2 2M 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 increases continuously from initial value to final value decreases 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 increases continuously from initial value to final value decreases continuously from initial value to final value ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism An electromagnetic field exists only when there is an increasing current current voltage decreasing current an increasing current current voltage decreasing current ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism If the cross-sectional area of a magnetic field increases, but the flux remains the same, the flux density increases doubles remains the same decreases increases doubles remains the same decreases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The materials having low retentivity are suitable for making None of the listed here Weak magnet Temporary Magnet Permanent magnet None of the listed here Weak magnet Temporary Magnet Permanent magnet ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is the unit of magnetic flux density? None of the listed here Weber Lumens Tesla None of the listed here Weber Lumens Tesla ANSWER DOWNLOAD EXAMIANS APP