5. Can electric wires be covered with aluminium foil instead of rubber or PVC ? Give reasons in support
your answer.
LONG ANSWER TYPE QUESTIONS : Answer in 20-25 words
1. Name the source of electricity in a torch Draw a diagram showing the inner view of that
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current will pass through it
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Answer:
rubber is a bad conductor of electricity and almunium is a good conductor of electricity.
a small neon light bulb
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