resistance of wire of length L is 8 ohm. what fraction of its length must be increased to increase its resistance 4 times? ans is 4L
Answers
Answered by
2
Answer:
yes you are correct dear
L:8::?:32
L /8=?/32
Lx32/8=?
4L is the answer.....
Explanation:
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Answered by
0
Answer:
i thick 2L
Explanation:
if length become 2L then area become A/2 so resistance become 4R.
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