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because thats just the way it is, simple as that.
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What do good insulators contain?
Good insulators contain materials with high resistance to the flow of heat or electricity, such as rubber, plastic, glass, wood, and ceramic. These materials have tightly packed molecules that do not allow heat or electricity to pass through easily, making them effective insulators.
How are materials classified on the basis of resistivity?
Materials can be classified based on their resistivity as conductors, semiconductors, or insulators. Conductors have low resistivity, allowing electric current to flow easily. Semiconductors have resistivity in between conductors and insulators, and their conductivity can be controlled. Insulators have high resistivity and do not allow electric current to flow easily.
What does it mean by 'What does it mean for a substance to be an insulator (5 points)' I have an assignment where I have to answer some questions and this is one. I really really need help with this!?
Insulators are materials that do not conduct electricity easily. They have high electrical resistance, preventing the flow of electric current. Insulators are used to isolate conductive materials from each other to avoid electrical conduction. Examples of insulators include rubber, glass, and plastic. Insulators are essential for safety in electrical systems to prevent shocks and short circuits.
What material can stop electricity?
Materials that can stop electricity include rubber, plastic, glass, and ceramic. These materials are insulators and are unable to conduct electricity, thus preventing the flow of electric current. Metal materials, on the other hand, are conductors and allow electricity to pass through.
What are good insulators of electric current?
Materials such as rubber, glass, wood, and plastic are good insulators of electric current. These materials have high resistivity, which means they do not allow electricity to flow through them easily, making them effective at preventing the flow of electrons.
Are apples insulators?
No, apples are not considered to be insulators. Insulators are materials that resist the flow of electrical current, while apples are organic materials with some moisture content and do not have insulating properties.
What causes some materials to be good insulators of electrcity?
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What are some heat insulators?
Some heat insulators are fiberglass, polyurethane foam, and polystyrene. Two other thermal insulators used as insulating materials in building construction are mineral wool and cellular glass.
Why some of the materials are insulators?
Materials are insulators because they have tightly bound electrons that do not move freely. This restricts the flow of electricity through the material. Examples of insulators include rubber, plastic, and glass.
Which materials insulators?
the materials are rubber and plastic
5 common materials insulators?
Some common materials used as insulators include rubber, plastic, glass, ceramic, and air. These materials have high electrical resistance and are used to prevent the flow of electricity, heat, or sound. Insulators are essential components in electrical and thermal insulation processes.
What matirials are good insulators except foam?
Some other materials that are good insulators are wood, rubber, glass, and fiberglass. These materials have low thermal conductivity, preventing the transfer of heat.
What is the name for materials that do not allow heat to pass?
Materials that do not allow heat to pass are insulators. (In real life, there are no perfect insulators, but if not much heat passes, then it is an insulator.)
What kinds of materials make good insulators?
There are a number of materials that make good thermal insulators. Blankets and pockets of air make good thermal insulators for example.
What are some materials used to test a simple circuit for conductors and insulators?
Battery,Tester
Which is true heat can travel well through all materials or heat can travel well through some materials?
Some, but not all. Some materials are insulators- heat does not travel well through them.
What can not carry electric current easily?
Materials that do not conduct electricity easily are known as insulators. Some common examples include rubber, glass, and plastic. These materials have a high resistance to the flow of electrical current due to the lack of free electrons.
