Magnetism and Electromagnetism If the cross-sectional area of a magnetic field increases, but the flux remains the same, the flux density remains the same doubles decreases increases remains the same doubles decreases increases 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 Zero BLI2 BLI None of the listed here Zero BLI2 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The stray line of magnetic flux is defined as A line vertical to the flux lines A line of magnetic flux which does not follow the designed path The mean length of a ring shaped coil A line of magnetic flux in a non-uniform field A line vertical to the flux lines A line of magnetic flux which does not follow the designed path The mean length of a ring shaped coil A line of magnetic flux in a non-uniform field ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetising steel is normals difficult because it has high specific gravity it corrodes easily it has high permeability it has low permeability it has high specific gravity it corrodes easily it has high permeability it has low permeability ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The attraction capacity of electromagnet will increase if the Flux density decreases Flux density increases Core length increases Core area increases Flux density decreases Flux density increases Core length increases Core area increases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The direction of magnetic lines of force is From one end of the magnet to another None of the listed here From north pole to south pole From south pole to north pole From one end of the magnet to another None of the listed here From north pole to south pole From south pole to north pole ANSWER DOWNLOAD EXAMIANS APP