(6) Calculate the resistance of 1.5mm^2 copper conductor of length 125m.
Resistivity of copper is 1.76x10^-8ohm-m.
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Answer:
Resistance = pL/A
R = 1.76 × 10^-8 × 125/ 15 × 10^-7
R = 22/15 = 1.46 Ohm
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