Cobalt is a non-magnetic substance.
Hence Cobalt is a magnetic substance.
Answer the following questions.
(a) Classify the following substances as magnetic or non-magnetic.
copper, phosphorus, iron, cobalt, soil, water, silver mercury, nickel, wood, oil.
(b) In olden times, how as a magnet placed in a compass?
can vou magnitize a non magnetic substance
Non - magnetic materials: Rubber, wood, plastic Magnetic materials: Steel, iron nails, cobalt.