Q.

Which one of these does not conduct electricity?


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a

Brass spoon

b

Silver jewelry

c

Steel tumbler

d

Plastic jug 

answer is D.

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Detailed Solution

 A plastic jug does not conduct electricity.
Materials that conduct electricity are called conductors, whereas the materials that do not conduct electricity are called insulators. For example, almost all metallic materials conduct electricity. However, since plastic is not a metallic material, it does not conduct electricity. Usually, plastics are excellent electrical insulators.
 
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