A metallic conductor has resistivity of 18 x 10-6 W.m. what is the resistance of a piece that is 30 m long and has a uniform circular cross section area 2.2 mm2? 0.245 W 245.5 W 1.32 x 10-8 W 119 W
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- A metallic conductor has resistivity of 18 x 10-6 W.m. what is the resistance of a piece that is 30 m long and has a uniform circular cross section area 2.2 mm2?
- 0.245 W
- 245.5 W
- 1.32 x 10-8 W
- 119 W
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