Magnetism and Electromagnetism A keeper is used to Amplify flux Provide a closed path for flux Change the direction of magnetic lines Restore lost flux Amplify flux Provide a closed path for flux Change the direction of magnetic lines Restore lost flux ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Temporary magnets are used in Loud speakers Motors All of the listed here Generators Loud speakers Motors All of the listed here Generators ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Susceptibility is positive for diamagnetic substances non-magnetic substances ferromagnetic substances None of these diamagnetic substances non-magnetic substances ferromagnetic substances None of these ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A conductor of length L has current I passing through it, when it is placed parallel to a magnetic field. The force experienced by the conductor will be BLI None of the listed here BLI2 Zero BLI None of the listed here BLI2 Zero ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetism left in the iron after exciting field has been removed is known as permeance susceptance reluctance residual magnetism permeance susceptance reluctance residual magnetism ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For which of the following materials the net magnetic moment should be zero? antiferromagnetic materials diamagnetic materials ferrimagnetic materials antiferrimagnetic materials antiferromagnetic materials diamagnetic materials ferrimagnetic materials antiferrimagnetic materials ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS