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The dielectric constant, which is a measure of a substance’s ability to store electrical energy in an electric field, will be high in materials that are good insulators and have polar molecules. Materials with high dielectric constants include water, various ceramics, and some polymers. These materials have molecules with permanent electric dipoles, which enhance their ability to be polarized by an external electric field, thereby increasing their dielectric constant.
Answer: c
Explanation: Materials that have very less conductivity like ceramics, plastics have
higher dielectric constants. Due to their low conductivity, the dielectric materials are saidb to be good insulators.