Why some material allows electric current to pass through them and why some do not ?
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The ability of electrical energy to flow through materials is called conduction. Materials that allow electricity to easily flow arecalled conductors. ... Materialsthat do not allow electricity topass easily through them arecalled insulators. Rubber, glass, plastic, and cloth are poor conductors of electricity.
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some allow to pass curremt bexause they are cpnductor but some not because they are insulater
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