Question

о Calculate the area of cross section of a wire of longth ..om, its resistance is 23 2 and the resistivity of the material or- the wire or the wire is To 1.84× 10-6 m. 84​

Answer 1

Answer:

Resistance R of a wire is given as:  

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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