Magnetism and Electromagnetism A magnetic field exists around Moving Charges Copper Aluminium Iron Moving Charges Copper Aluminium Iron ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit for permeability is Wb At/Wb Wb/At × m At/m Wb At/Wb Wb/At × m At/m ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The relative permeability of materials is not constant. None of the listed here Ferromagnetic Diamagnetic Paramagnetic None of the listed here Ferromagnetic Diamagnetic Paramagnetic 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/2 2M M M/4 M/2 2M M M/4 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For which of the following materials the saturation value is the highest? Ferrites Paramagnetic materials Ferromagnetic materials Diamagnetic materials Ferrites Paramagnetic materials Ferromagnetic materials Diamagnetic materials ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The most effective and quickest may of making a magnet from soft iron is by The use of permanent magnet Placing it inside a coil carrying current Rubbing with another magnet Induction The use of permanent magnet Placing it inside a coil carrying current Rubbing with another magnet Induction ANSWER DOWNLOAD EXAMIANS APP