simplegr66 simplegr66
  • 06-08-2018
  • Physics
contestada

what is the resistance of a 3.5m copper wire that has a cross-sectional area of 5.26 x 10-6 m2?

Respuesta :

skopie skopie
  • 15-08-2018

R=ρ[tex] \frac{L}{A} [/tex]

Where, R is resistance

ρ is resistivity,

L is length and

A is cross sectional area

Given, L= 3.5m

A=5.26 x 10⁻⁶ m²

ρ=1.68×10⁻⁸ ohms m

∴ R= [tex] \frac{(1.68)(3.5)}{5.26*100} [/tex]

⇒ R=1.11×10⁻² ohms


Answer Link
Toxin057 Toxin057
  • 30-03-2021

Answer: 1.1 x 10^-2

Explanation: A P E X

Answer Link

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