MCQ
Why are overhead cables not insulated?
- ✓Because air is a bad conductor of electricity.
- BBecause air is a good conductor of electricity.
- CBare wires conduct electricity better.
- DBoth $(b)$ and $(c).$
✓
Answer
Correct option: A.
Because air is a bad conductor of electricity.
Overhead cables need not be insulated because air is a bad conductor of electricity.
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Object
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