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Q.A copper wire has diameter 0.5 mm and resistivity 1.6×108Ω1.6 \times 10^{-8} \Omegam. The resistance of 10 m length is approximately

a
0.4Ω0.4\Omega
b
0.8Ω0.8\Omega
c
1.3Ω1.3\Omega
d
2.6Ω2.6\Omega

Correct Answer: Option B

The correct solution involves applying the fundamental concept to derive the final value step by step...

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