1. Consider the sraiements about magnetic, materials: 1. These are not attracted by magnet. 2. They can be converted into magnets. Choose the correct option from the codes given below :

Options

A. only (i)
B. only (ii)
C. both i and ii
D. neither i nor ii

Answer

b

Explanation

Those materials attracted by a magnet are called magnetic materials. Iron, steel, nickel and cobalt are attracted by a magnet, so iron, steel, nickel and cobalt are magnetic materials. All the objects made of iron and steel are also magnetic objects. They can be converted into magnets. Those materials which are not attracted by a magnet are called non-magnetic materials. Nonmagnetic materials cannot be converted into magnets.