Calculate the conductance of a conduit the cross-sectional area of which is 3.0 cm2 and the length of which is 9.0 cm, given that its conductivity is 0.80 ohm-1cm-1.

Question

Makayla Molina

Physics

27 May, 14:55

Calculate the conductance of a conduit the cross-sectional area of which is 3.0 cm2 and the length of which is 9.0 cm, given that its conductivity is 0.80 ohm-1cm-1.

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Evangeline Mckee · Answer 1

For resistance we have R=ρ l/a

thus for conductance we have K=σ a/l

conductance, K=1/R

conductivity,σ = 1/ρ

σ =.80 Ω-1 cm-1

l = 9 cm

a = 3 cm²

K=.80 * 3/9

=0.26 Ω-1