Magnetism and Electromagnetism The ability of a material to remain magnetized after removal of the magnetizing force is known as reluctance retentivity hysteresis permeability reluctance retentivity hysteresis permeability ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetism left in the iron after exciting field has been removed is known as susceptance reluctance residual magnetism permeance susceptance reluctance residual magnetism permeance ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is expected to have the maximum permeability ? Brass Copper Zinc Ebolite Brass Copper Zinc Ebolite ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Main causes of noisy solenoid are None of these strong tendency of fan out of laminations at the end caused by repulsion among magnetic lines of force uneven bearing surface, caused by dirt or uneven wear between moving and stationary parts Both of the listed here None of these strong tendency of fan out of laminations at the end caused by repulsion among magnetic lines of force uneven bearing surface, caused by dirt or uneven wear between moving and stationary parts Both of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For a given wirewound core, an increase in current through the coil decreases the flux density causes no change in flux density reverses the flux lines increases the flux density decreases the flux density causes no change in flux density reverses the flux lines increases the flux density ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetising steel is normals difficult because it has low permeability it corrodes easily it has high permeability it has high specific gravity it has low permeability it corrodes easily it has high permeability it has high specific gravity ANSWER DOWNLOAD EXAMIANS APP