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........................ they are the materials that make the electric circuit open when they are connected with it
Electric insulators
.................... they are the materials that allow the flow of electricity through them.
Electric conductors
All metals are electric ......................
conductors
G.R The electric wires are covered with plastic an insulating material.
to avoid dangers when dealing with electric wires.
G.R The human body is a good conductor of electricity.
because 70 % of the body contains water
