Magnetism and Electromagnetism The force between two long parallel conductors is inversely proportional to Distance between the conductors Radius of conductor Product of current in two conductors Current in one conductor Distance between the conductors Radius of conductor Product of current in two conductors Current in one conductor ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A certain amount of current flows through a ring shaped coil with fixed number of turns. How does the magnetic induction B varies inside the coil if an iron core is threaded into coil without dimensional change of coil? Decreases First increases and then decreases depending on the depth of iron in¬sertion Increases Remains same Decreases First increases and then decreases depending on the depth of iron in¬sertion Increases Remains same ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The direction of magnetic lines of force is From north pole to south pole From one end of the magnet to another None of the listed here From south pole to north pole From north pole to south pole From one end of the magnet to another None of the listed here From south pole to north pole ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A material which is slightly repelled by a magnetic field is known as diamagnetic material conducting material paramagnetic material ferromagnetic material diamagnetic material conducting material paramagnetic material ferromagnetic material ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Strength of an electromagnet can be increased by Increasing the number of turns All of the listed here Increasing current supply Increasing the cross-sectional area Increasing the number of turns All of the listed here Increasing current supply Increasing the cross-sectional area ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetising steel is normals difficult because it has high permeability it has high specific gravity it corrodes easily it has low permeability it has high permeability it has high specific gravity it corrodes easily it has low permeability ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS