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12 votes
Definition for insulator

User Titouan L
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2 Answers

9 votes
A substance that does not let an electric current flow through it (example: rubber)
User Leonid Shevtsov
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4.7k points
7 votes

Answer:

any substance which does not allow the passage of electricity through it is known as insulator

User Tianhao Zhou
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4.3k points