A piece of wire of resistance 20Ω is dwan out
so that its dength is increased to twice.
calculate resistance at the new situation
Answers
Answered by
1
your answer is 80 ohm
hope this help
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prathamraj15:
can u plz explain how the area decreases
when u increase the length of the same wire....u have to decrease its area
imagine the situation
u'll get it
Answered by
0
Answer:
r=80
Explanation:
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