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Question

Vishnu brought a magnet near 3 pins made up of different materials. Pin shown by Y and Z get attracted towards the magnet whereas  X remains unaffected.

What are pins 'X', 'Y', and 'Z' made up of?


A
Pix X - Copper
Pin Y - Iron
Pin Z - Steel
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B
Pix X - Steel
Pin Y - Nickel
Pin Z -  Aluminium
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C
Pix X - Copper
Pin Y - Brass
Pin Z -  Cobalt
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D
Pix X - Iron
Pin Y - Copper
Pin Z -  Brass
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Solution

The correct option is A Pix X - Copper
Pin Y - Iron
Pin Z - Steel
From the given figure, pin X is non-magnetic material as it is not attracted by the magnet and it can be copper. Pin Y and pin Z are attracted by the magnet, so they are magnetic materials like iron, nickel, cobalt, steel, etc.

Mathematics

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