Question:
60 A short bar magnet placed in a horizontal plane has its
Last updated: 6/25/2023
60 A short bar magnet placed in a horizontal plane has its axis aligned along the magnetic north south direction Null points are found on the axis of the magnet at 14 x 10 2 m from the centre of the magnet The earth s magnetic field at the place is 0 36 x 10 4T and the angle of dip is zero What is the total magnetic field on the normal bisector of the magnet at the same distance as the null points i e 14 x 10 m from the centre of the magnet If the bar magnet is turned around by 180 where will the new null points be located N C E R T New Ans 0 54 x 10 4 T at 11 11 x 10 2 m on the perpendicular bisector 10 2m and its total number of turns is 2400 An iron rod is placed inside 1 co