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Calculate the resistance of peace of wire o.50m long diameter 2. 74 × 10^-4 m. Specific resistence of the wire is 1.66* 10^_8 am. Also calculate it's conductance. |
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Answer» Conductance = 7 mhoExplanation:length of wire l =0.5 mdiameter d = 2.74 X 10⁻⁴ m∴radius R = 1.37 x 10⁻⁴ mSpecific RESISTANCE ρ = 1.66 x 10⁻⁸ Ω mC/S Area of wire A = πr²= 3.14 x (1.37 x 10⁻⁴)²Conductance = 1/R = A/ρl = 3.14 x (1.37 x 10⁻⁴)²/1.66 x 10⁻⁸ x0.5 = 7.1 mho |
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