JUDET
31. 2075 Set A Q.No. 90 A bar magnet, 10 cm in length, has
pole strength of 10 AM. Determine the magnetic field at a
point on its axis at a distance of 15 cm from the center of the
magnet. (uo = 470 x 10-7 H/m)
Ans: 7.5x10-T 141
Efficiend
Short Answe​