Magnetism and Electromagnetism The direction of a magnetic field within a magnet is from north to south back to front front to back from south to north from north to south back to front front to back from south to north 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? 16 AT 4 AT 8 AT 10 AT 16 AT 4 AT 8 AT 10 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When a magnet is in motion relative to a coil the induced e.m.f. does not depend upon Motion of the magnet Number of turns of the coil Pole strength of the magnet Resistance of the coil Motion of the magnet Number of turns of the coil Pole strength of the magnet Resistance of the coil ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The induced voltage across a stationary conductor in a stationary magnetic field is zero reversed in polarity decreased increased zero reversed in polarity decreased increased ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The initial permeability of an iron rod is The permeability at the end of the iron rod The lowest permeability of the iron rod The permeability almost in non-magnetised state The highest permeability of the iron rod The permeability at the end of the iron rod The lowest permeability of the iron rod The permeability almost in non-magnetised state The highest permeability of the iron rod ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A keeper is used to Change the direction of magnetic lines Restore lost flux Amplify flux Provide a closed path for flux Change the direction of magnetic lines Restore lost flux Amplify flux Provide a closed path for flux ANSWER DOWNLOAD EXAMIANS APP