Q175
Which of the following is the more thermal insulation in the group?
A.
Rubber, Glass, Plastic, Cotton, Copper
B.
Plastic, Ebonite, Paper, Cotton, Bakelite, Dry air, Rubber
AnswerC.
Silver, Copper, Gold, Iron
D.
Bakelite, Dry air, Paper ebonite, Aluminium
Answer: Option B
Solution
Answer: Option B
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