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What is the length and thickness …

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What is the length and thickness of. Wire of electric current and what material it is made up og
  • 1 answers

Meghna Thapar 5 years, 10 months ago

The  resistance  of  a  conductor  is  directly proportional  to  its  length  (l)  and  inversely  proportional  to  its area of cross section (A).

R µ/l A

R = ρ I/A

where ρ is a constant of proportionality called specific resistance or resistivity of the material of the conductor.

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