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phys2b ch20.3 Resistance & Resistivity
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Leila Jewell
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phys2b ch20.3 Resistance & Resistivity
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A copper wire of cross-sectional area \( 2.0 \mathrm{~mm}^{2} \) resistivity \( =1.7 \times 10^{...
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A heater contains a Nichrome wire (resistivity \( 5.0 \times 10^{-7} \Omega \cdot \mathrm{m} \) ...
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