Dielectric___________________?
Correct answer: A. Is an electrical insulating material
- A. Is an electrical insulating material
- B. Of low resistivity is preferred
- C. Should have high thermal conductivity
- D. Need not defy the corrosive action of chemicals
Explanation
A dielectric is a material that does not conduct electric current readily and can sustain an electric field, so it acts as an electrical insulator. Low resistivity would instead describe a conductor, making option b incorrect.
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