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| 1. |
calculate the resistance of a wire 10m long that has a diameter of 2mm and resistivity of 2.63×10^-2oham meter |
| Answer» VITY = 6.28 x 10-7 OmDiameter (d) = 0.4 mmSo, RADIUS (R) = 0.4/2 = 0.2 mm1 mm = 1/10 cm = 1/10 * 100 m = 10-3 mArea (A) = TR? = 3.14 x (10-3)2 = 3.14 x 10-6m?Length (L) = 10 mResistance (R) = 212For further calculations, refer attachment. Hence, resistivity = 6.28 x 10-7 Qm | |