which substances are used as insulators
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an insulator is any material that prevents the transmission of electricity, heat, or sound. Electrical insulators prevent electrons from moving through a substance. This keeps electricity on the correct and most efficient path in our homes. Plastic, wood and glass are good electrical insulators.
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Substance which don't allow electric current to pass through them ie. they don't have free electrons to conduct electricity
Eg. Wood, Plastic.......
Eg. Wood, Plastic.......
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