📊 Physics
Q. Which of the following sets are the best insulators?
  • (A) Rubber, glass, plastics, ebonite, cotton, copper
  • (B) Bakelite, dry air, paper, ebonite, aluminium
  • (C) Plastics, ebonite, paper, cotton, Bakelite, dry air, rubber
  • (D) Silver, copper, gold, iron
✅ Correct Answer: (C) Plastics, ebonite, paper, cotton, Bakelite, dry air, rubber

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