Magnetism and Electromagnetism A magnetic field exists around Copper Moving Charges Iron Aluminium Copper Moving Charges Iron Aluminium ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetism of a magnet can be destroyed by By inductive action of another magnet All of the listed here Hammering Heating By inductive action of another magnet All of the listed here Hammering Heating ANSWER DOWNLOAD EXAMIANS APP
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? 4 AT 16 AT 10 AT 8 AT 4 AT 16 AT 10 AT 8 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A permeable substance is one which is a bad conductor through which the magnetic lines of force can pass very easily which is a good conductor which is a strong magnet which is a bad conductor through which the magnetic lines of force can pass very easily which is a good conductor which is a strong magnet ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For a given wire-wound core, an increase in current through the coil Increases the flux density Reverses the flux lines Decreases the flux density Causes no change in flux density Increases the flux density Reverses the flux lines Decreases the flux density Causes no change in flux density ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The materials having low retentivity are suitable for making Permanent magnet Temporary Magnet Weak magnet None of the listed here Permanent magnet Temporary Magnet Weak magnet None of the listed here ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS