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Porcelain is a good insulator due to its high dielectric strength, which means it can withstand high voltage without conducting electricity. Its structure also prevents the flow of electrical current, making it an excellent material for insulating purposes such as in electrical equipment and high-voltage applications.
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Is zinc a good insulator?
No, zinc is not a good insulator. It is actually a good conductor of electricity and heat.
Is sponge a good heat insulator?
Sponge is not a good heat insulator as it is porous and can easily transfer heat. Materials like cork or fiberglass are better heat insulators due to their low thermal conductivity.
Is oxygen a good insulator?
No, oxygen is not a good insulator. It is a poor conductor of electricity, but it is not a good insulator as it can support combustion and is involved in many chemical reactions.
Which is an example of a very good insulator?
Rubber is an example of a very good insulator. It is often used to cover electrical wires to prevent the flow of electricity, as it does not conduct electricity easily due to its high resistance.
Is a sink a conductor?
No, a sink is not a conductor. Sinks are typically made of materials such as ceramic, stainless steel, or porcelain, which are insulators and do not conduct electricity.
