Answers

2016-02-11T17:15:14+05:30
 Resistance R of a wire is given as:  \frac{Kl}{A} }   
Where, A is the area of cross-section of the wire l = Length of the wire = 1 m R = 23 Ω ρ = Resistivity of the wire = 1.84 × 10−6 Ωm Therefore, the area of cross-section of the wire is 8 ×10−8 m2.
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