Question

Which of the following is correct statement for

metals ? Metals are

(1) Good conductor of heat.

(2) Bad insulator of heat.

(3) Bad conductor of heat.

(4) Both (1) and (2) are correct​

Answer 1

Answer:

both a n b

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Answer 2

Answer:

(4) Both (1) and (2) are correct​

Explanation:

Electrons in the outer layers of metal atoms are free to move from atom to atom. So if one end of a piece of metal is made positive, the electrons will be attracted towards it and because they are free, they can move towards it.