![Which of the following is a insulator?](https://www.gkseries.com/blog/wp-content/uploads/2022/04/Which-of-the-following-is-a-insulator.png)
Q. Which of the following is a insulator?
A. Graphite
B. Air
C. Aluminium rod
D. Copper rod
Answer: Air
A. Graphite
B. Air
C. Aluminium rod
D. Copper rod
Answer: Air
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