Question

4. Which of the following is a conductor of
electricity?
(a) silver
(b) pure water
(c) air
(d) eraser
​

Answer 1

Answer:

Option (a) is correct

Explanation:

In water and ionic materials or fluids a net motion of charged ions can occur. This phenomenon produce an electric current and is called ionic conduction. Silver has the highest conductivity of any metals: 63 x 106 S/m. Pure water is not a good conductor of electricity.

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