Which items repel electric charges?
Chemistry · Middle School · Mon Jan 18 2021
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- Materials that repel electric charges can be classified as insulators or dielectrics.
- These materials do not allow an electric charge to move freely through them, effectively inhibiting the flow of electric current. Examples of such materials include rubber, glass, plastic, and dry wood.
- Objects with like charges also repel each other. According to Coulomb's Law, two charges exert a force on each other: if the charges are of the same sign (both positive or both negative), they will repel each other; if the charges are of opposite signs (one positive, one negative), they will attract each other.