(i) The magnet that does not retain its magnetism all the time is called_________
(ii) A piece of transparent material made from glass or plastic is called lens
(iii) The effect of the earth's magnetic field extends up to nearly km into space________
(iv) Iron rods act as_______in an electric bell.
(V) Iron and _______are magnetic substances.
Answers
Answered by
2
Answer:
5=nickel
1=natural magnet
Answered by
3
Answer:
(1) Permanent magnet
(2) to be honest, answer is already given
(3) vacuum
(4) electromagnet
(5) Steel
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