Calculate the resistance of a copper wire of length 2m and area of cross section1.7×10×-6m square. 10×-6msquare.resistivity of copper
abelalex2000:
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R=p.l/a
= 10^-6 × 2/1.7×10^-6
= 2/1.7
= 1.176 ohm
= 10^-6 × 2/1.7×10^-6
= 2/1.7
= 1.176 ohm
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