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What material or device prevents the conducting of electricity?

User TinMan
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1 Answer

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Answer:

Step-by-step explanation:

An insulator. You can see ceramic insulators on telephone poles and power poles if you look carefully. If you live in a city, somewhere in that city is a power station. The insulators are huge. They have to be. The currents are very large in many cases.

User Uli
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