A bar magnet 8cm long is placed in the magnetic meridian with the north pole pointing towards geographical north.Two neutral points separated by a distance of 6cm are obtained on the equitorial axis of the magnet.If the horizontal component of Earth’s magnetic field is 3.2×10^-5 T , then pole strength of the magnet in A-m is ?(A)0.5(B)5(C) 1(D) 10

C.Karan , 7 Years ago

Grade 12