an aluminum wire of length 2m and diameter 1mm has resistivity 2.8*10^-6ohm-m resistence of wire
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Answer:
3.5668 OHM
Explanation:
Resistance=Resistivity × L / area
r=2.8×10^-6×2/3.14×(0.5×10^-3)²×2
R=2.8/3.14×0.25
R=3.5668 ohm
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