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10) Which is not an insulator? a) Rubber b) Mica c) Copper

Ask by Joseph Hall. in the United States
Mar 13,2025

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Copper is not an insulator.

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Beyond the Answer

Copper is the odd one out in this group! It’s a fantastic conductor of electricity, making it a go-to material for electrical wiring. Unlike rubber and mica, which resist electric current, copper allows electricity to flow through effortlessly, so you might find it zipping away in your phone chargers and circuit boards! When considering insulation materials, rubber and mica serve crucial roles in preventing unwanted energy loss. Rubber is commonly used in electrical cords to keep you safe from shocks, while mica, known for its layered structure, can be found in capacitors for its insulating properties. Just remember, if you’re looking to keep electricity at bay, copper should not be in your toolkit!

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