Science, asked by lalit1633, 1 year ago

if the diameter of a metal wire of a given length is double, then it's resistance will​

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Answered by umairahmed5934
1

Answer:

Resistance (R) is inversely proportional to Area(A). So if radius is doubled, new area= 4x Area of original wire. So the resistance becomes 1/4th of original value. ... Let the length of the wire is L, resistivity is ρ and diameter is d.

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