Question

what are insulator ??​

Answer 1

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INSULATOR ;
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⭐ Materials that are poor conductors of heat are called insulators .

⭐ Example ; Sweaters , blankets , clothes keep us warm because they are made up of materials that contains airspaces .

⭐ Materials made of plastic, wood , rubber and ceramic material such as tiles .

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Answer 2

Insulators of heat are substances which do not allow heat to pass through them .

Insulators of electricity are substances which do not allow electric current to pass through them .

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→ The insulators of heat are different from bad conductors .

→ Bad conductors allow little heat to pass through them while insulators do not allow any heat to pass through them .

→ Insulators of electricity similarly behave the same way .

→ On the other hand , good conductors of heat / electricity allow much heat / electric current to pass through them .

→ Metals are good conductors of heat and electricity .

→ Non metals are either poor conductors or insulators.

→ However there may be exceptions in non metals and metals .