Which of the following is not used for making permanent magnets?

Cobalt

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Iron

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Nickel

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Silver

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Solution

The correct option is D
Silver

Silver is not a magnetic material. Hence, it cannot be used to make a permanent magnet. Cobalt, iron and nickel on the other hand are magnetic substances which can be made into a permanent magnet.

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Similar questions

One of the following is not used for electroplating metal articles. This one is :
(a) nickel
(b) chromium
(c) sodium
(d) silver

Consider the following statements :

(i) Soft iron conducts electricity

(ii) Soft iron is magnetic material

(iii) Soft iron is used for magnetic permanent magnets

(iv) Soft iron is used as electro magnet

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