Question

a) Name a temporary magnet b) Name two materials by which this is made. c) In which devices is it used?​

Answer 1

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Answer:

(A)

Paperclips, iron nails and other similar items are examples of temporary magnets.

(B)

Permanent magnets are made from special alloys (ferromagnetic materials) such as iron, nickel and cobalt, several alloys of rare-earth metals and minerals such as lodestone.

(C)

Computers use magnets to store data on hard drives. Both permanent magnets and electromagnets are widely used in electronic devices such as generators, speakers, televisions, MRI scanners, motors etc. We use magnets to benefit the industrial world and our daily lives.

Answer 2

A)Paperclips, iron nails and other similar items are examples of temporary magnets.

B)paper magnet are made from special alloys such as iron,nickel and cobalt several alloys of rare earth metals and minerals such as lodestone

C)computer use magnets to store data on hard drives.both permanent magnets and electro magnets are widely used in electronic devices.