How do magnets work through non-magnetic substances
Hi Anvay!
Magnets will not attract non-magnetic substances. So they can be used to separate magnetic substances and non-magnetic substances.
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?