Magnetism and Electromagnetism A 300 mm long conductor is carrying a current of 10 A and is situated at right angles to a magnetic field having a flux density of 0.8 T ; the force on the conductor will be 24 N 240 N 2.4 N 0.24 N 24 N 240 N 2.4 N 0.24 N 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 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 From north pole to south pole ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The uniform magnetic field is The field of a set of parallel conductors None of the listed here The field of a single conductor The field in which all lines of magnetic flux are parallel and equidistant The field of a set of parallel conductors None of the listed here The field of a single conductor The field in which all lines of magnetic flux are parallel and equidistant ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The attraction capacity of electromagnet will increase if the Core length increases Core area increases Flux density decreases Flux density increases Core length increases Core area increases Flux density decreases Flux density increases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When the north poles of two bar magnets are brought close together, there will be a downward force a force of attraction no force a force of repulsion a downward force a force of attraction no force a force of repulsion ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Reciprocal of permeability is Reluctivity conductance Permeability Susceptibility Reluctivity conductance Permeability Susceptibility ANSWER DOWNLOAD EXAMIANS APP