What will be the resistance of a metal wire of length 2 metres and area of cross-section 1.55 X 10-6 m2, if he resistivity of the metal be 2.8 X 10-8 Ωm?
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R=rho*l/A
R=2.8*10^-8*2/1.55*10^-6
R=3.61*10^-2 ohm (approx)
R=2.8*10^-8*2/1.55*10^-6
R=3.61*10^-2 ohm (approx)
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