42. In the copper conductor 1 meter long and cross-sectional area of 0.5 mm2 is current, the power consumed by the conductor, equal to 0.7 watts. Determine the electric field inside the conductor. The resistivity of copper is equal to 1,7 • 10-8 ohm • m. Answer given in SI units.
Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)
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