An electrical insulator is a material whose internal electric charges do not flow freely. Rubber, glass, paper, and Teflon, which have high resistivity, are very good electrical insulators.
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An electrical insulator is a material whose internal electric charges do not flow freely. Rubber, glass, paper, and Teflon, which have high resistivity, are very good electrical insulators.
Materials such as rubber, glass, and plastic are commonly used as good electrical insulators due to their high resistance to the flow of electricity. These materials do not conduct electricity well and are able to inhibit the transfer of electric current, making them suitable for use in electrical insulation.
That would be water.
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Materials with high electrical resistivity, such as rubber, glass, and plastic, make good insulators for preventing the flow of electricity. These materials have tightly bound electrons, which makes it difficult for electrical charge to move through them.
A nonmetal would make a good insulator.
Metals such as copper, silver, and gold are good electrical conductors due to their ability to easily allow the flow of electric charge. Graphite, a form of carbon, is also a good conductor. In general, materials with high electrical conductivity and free-moving electrons are good electrical conductors.
Molybdenum is typically considered to be an electrical conductor due to its high thermal and electrical conductivity. Its conductivity properties make it a desirable material for applications where good electrical conductivity is required.
Good electrical conductors are useful because they allow electricity to be transmitted greater distances with less loss. This greater efficiency allows more of the electrical energy generated to be used, reducing the amount that must be generated. Good heat conductivity is less useful than good electrical conductivity, but it does make it easier to keep wires and cables cool, which further increases their electrical conductivity.
Zinc has poor electrical conductivity compared to materials like copper or aluminum. This means that zinc is not an efficient conductor of electricity and would not be suitable for making electrical wires, which require good conductivity to effectively carry electrical currents.