cathedryl4659 cathedryl4659

20-02-2024
Mathematics

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A wire of length 5 and radius 1 has a resistance of 1 ohm. What length of the wire of the same material at the same temperature and of radius 2 will also have a resistance of 1 ohm?
a) 10
b) 20
c) 25
d) 50

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