Question
Find the resistance of 134 m of No. 20 copper wire at $20^{\circ} \mathrm{C}\left(\rho=1.72 \times 10^{-6} \Omega \mathrm{cm},\right.$, $\left.A=2.07 \times 10^{-2} \mathrm{cm}^{2}\right)$
Step 1
We know that 1 meter is equal to 100 centimeters. So, we multiply the given length by 100 to get the length in centimeters. \[ L = 134 \, m \times 100 \, cm/m = 13400 \, cm \] Show more…
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