Magnetism and Electromagnetism When the north poles of two bar magnets are brought close together, there will be a force of attraction no force a downward force a force of repulsion a force of attraction no force a downward force a force of repulsion ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetism of a magnet can be destroyed by All of the listed here By inductive action of another magnet Heating Hammering All of the listed here By inductive action of another magnet Heating Hammering ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A square cross-sectional magnet has a pole strength of 1 x 10 Wb and cross sectional area of 20 mm x 20 mm. What is the strength at a distance of 100 mm from the unit pole in air ? 63.38 N/Wb 63380 N/Wb 633.8 N/Wb 6338 N/Wb 63.38 N/Wb 63380 N/Wb 633.8 N/Wb 6338 N/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When the speed at which a conductor is moved through a magnetic field is increased, the induced voltage decreases reaches zero remains constant increases decreases reaches zero remains constant increases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Gilbert is a unit of magnetomotive force electromotive force permittivity conductance magnetomotive force electromotive force permittivity conductance ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What will be the magnetic potential difference across the air gap of 2 cm length in magnetic field of 200 AT/m? 10 AT 4 AT 8 AT 16 AT 10 AT 4 AT 8 AT 16 AT ANSWER DOWNLOAD EXAMIANS APP