Magnetism and Electromagnetism When the speed at which a conductor is moved through a magnetic field is increased, the induced voltage remains constant decreases reaches zero increases remains constant decreases reaches zero increases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism How does the magnetic compass needle behave in a magnetic field? It starts rotating It assures a position right angle to magnetic field It assures a position which follows a line of magnetic flux None of the listed here It starts rotating It assures a position right angle to magnetic field It assures a position which follows a line of magnetic flux None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For a given wirewound core, an increase in current through the coil increases the flux density causes no change in flux density decreases the flux density reverses the flux lines increases the flux density causes no change in flux density decreases the flux density reverses the flux lines ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The relative permeability of materials is not constant. Paramagnetic Diamagnetic None of the listed here Ferromagnetic Paramagnetic Diamagnetic None of the listed here Ferromagnetic ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A permeable substance is one Which is a strong magnet Which is a bad conductor Through which the magnetic lines of force can pass very easily Which is a good conductor Which is a strong magnet Which is a bad conductor Through which the magnetic lines of force can pass very easily Which is a good conductor ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A keeper is used to Restore lost flux Change the direction of magnetic lines Amplify flux Provide a closed path for flux Restore lost flux Change the direction of magnetic lines Amplify flux Provide a closed path for flux ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS