Wood, plastic, rubber and air are good insulators because A. they conduct charge. B. charge flows easily. C. they don't have free electrons. D. they have low resistance.

Question

Physics

Ryder Weiss

22 June, 07:16

Wood, plastic, rubber and air are good insulators because A. they conduct charge. B. charge flows easily. C. they don't have free electrons. D. they have low resistance.

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Taylor Shannon · Answer 1

C. They don't have free electrons.

The only things capable of conducting a charge are things that have charged particles in them that are free to move, e. g free electrons, free positions, or dissociated ions