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 2M M/4 M/2 M 2M M/4 M/2 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit of flux is the same as that of Pole strength Reluctance Permanance Resistance Pole strength Reluctance Permanance Resistance ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A keeper is used to Amplify flux Change the direction of magnetic lines Provide a closed path for flux Restore lost flux Amplify flux Change the direction of magnetic lines Provide a closed path for flux Restore lost flux ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The materials having low retentivity are suitable for making None of the listed here Temporary Magnet Weak magnet Permanent magnet None of the listed here Temporary Magnet Weak magnet Permanent magnet 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? 6 12 4 8 6 12 4 8 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the flux density in a magnetic field in which the flux in 0.1 m2 is 600 Wb? 6 T 6,000 T 600 T 600 T 6 T 6,000 T 600 T 600 T ANSWER DOWNLOAD EXAMIANS APP
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