Hines Feb 4, 2021

1. Calculate the resistivity of a 24 ohm circuit 5m long and 2.6 m2 cross sectional area2. Calculate the conductivity of the material

answers: 1

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Answer:

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Given : R=2Ω l=1 m d=0.4 mm =0.0004 m

Cross section area of wire A=

πd

π×(0.0004)

=1.256×10

−7

Resistivity of the material ρ=

∴ ρ=

2×1.256×10

−7

403

St-Laurent

Feb 4, 2021

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