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Gagan Mishra

Class 12th
Physics
2 years ago

Which of the following sets are the best insulators?   A) Rubber, glass, plastics, ebonite, cotton, copperB) Bakelite, dry air, paper, ebonite, aluminiumC) Plastics, ebonite, paper, cotton, Bakelite, dry air, rubberD) Silver, copper, gold, iron

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