Physics, asked by suraj5760, 1 year ago

The resistance of a wire is 10 ohm. By dragging it, its radius is given one fourth of the first. What will be the new resistance to the wire?

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Answered by olanrewajubenjamin5

Resistivity=resistance x radius/length By equating the two equations of resistance 1 and 2 and substituting the values we have the new resistance to; R=40ohms

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