Fill in the blanks with the appropriate word.(a) If a bar magnet is hung by a thread tied at its centre, its north pole becomes steady in the direction of the ................ Pole of the earth.(South, north, east, west)(b) If a bar magnet is cut into equal pieces by cutting it at right angles to its axis at two places, ........... bar magnets are formed, and a total of ................ poles are formed.(6,3,2)(c) There is repulsion between the .......... poles of a magnet, and attraction between its ............ poles.(opposite, like.)(d) When magnetic material is taken close to a magnet, the material acquires ............... .(permanent magnetism, induced magnetism)(e) If a magnet attracts a piece of metal, that piece must be made of ............. .(any other metal but iron, magnetic material or iron, non-magnetic material)(f) A magnet remains steady in a .............. direction.(east-west, north-south)