what is the meaning of insulator?
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An electrical insulator is a material in which electric current does not flow freely. The atoms of the insulator have tightly bound electrons which cannot readily move. Other materials, semiconductors and conductors conduct electric current more easily.
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1. material or device used to prevent heat, electricity, or sound from escaping from something.
2. Different insulating and conducting materials are compared with each other in this regard by means of a material constant known as resistivity.
3. A device made of electrically insulating material and used for separating or supporting conductors.
4. The division of materials into the categories of conductors and insulators is a somewhat artificial division.
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