Magnetism and Electromagnetism The materials having low retentivity are suitable for making Temporary Magnet None of the listed here Permanent magnet Weak magnet Temporary Magnet None of the listed here Permanent magnet Weak magnet ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetic moment is a scalar quantity vector quantity universal constant pole strength scalar quantity vector quantity universal constant pole strength ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is a ferromagnetic material? Nickel Aluminium Copper Tungsten Nickel Aluminium Copper Tungsten ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For a given wirewound core, an increase in current through the coil increases the flux density reverses the flux lines causes no change in flux density decreases the flux density increases the flux density reverses the flux lines causes no change in flux density decreases the flux density ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The stray line of magnetic flux is defined as The mean length of a ring shaped coil A line of magnetic flux which does not follow the designed path A line vertical to the flux lines A line of magnetic flux in a non-uniform field The mean length of a ring shaped coil A line of magnetic flux which does not follow the designed path A line vertical to the flux lines A line of magnetic flux in a non-uniform field ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What will be the current passing through the ring shaped air cored coil when number of turns is 800 and ampere turns are 3200? 8 6 4 12 8 6 4 12 ANSWER DOWNLOAD EXAMIANS APP
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