Sherman College of Straight Chiropractic - Page 5
- Name two varieties of iron ore used in industry.Name two varieties of iron ore used in industry.
- Two wires of equal length, one of aluminium and the other of copper have the same resistance. Which of the two wires is lighter? Hence explain why aluminium wires are preferred for overhead power cables. (ρAl = 2.63 × 10–8 Ωm, ρCu = 1.72 × 10–8 Ωm, RelatiTwo wires of equal length, one of aluminium and the other of copper have the sam ...
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