Magnetism and Electromagnetism If the cross-sectional area of a magnetic field increases, but the flux remains the same, the flux density doubles decreases remains the same increases doubles decreases remains the same increases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The direction of magnetic lines of force is 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 From one end of the magnet to another ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For a given wirewound core, an increase in current through the coil decreases the flux density reverses the flux lines causes no change in flux density increases the flux density decreases the flux density reverses the flux lines causes no change in flux density increases the flux density ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The direction of a magnetic field within a magnet is from south to north from north to south back to front front to back from south to north from north to south back to front front to back ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The relative permeability is less than unity is case of Paramagnetic material Ferromagnetic material Diamagnetic material Ferrits Paramagnetic material Ferromagnetic material Diamagnetic material Ferrits ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism In the left hand rule, forefinger always represents current magnetic field direction of force on the conductor Voltage current magnetic field direction of force on the conductor Voltage ANSWER DOWNLOAD EXAMIANS APP
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