what are insulaters ?
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a substance which does not readily allow the passage of heat or sound.
"cotton is a poor insulator"
a substance or device which does not readily conduct electricity.
"a series of electrodes separated by insulators"
a block of glass, ceramic, or other insulating material enclosing a wire carrying an electric current where it crosses a support.
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An electrical insulator is a material in which the electron does not flow freely or the atom of the insulator have tightly bound electrons whose internal electric charges do not flow freely; very little electric current will flow through it under the influence of an electric field.
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