find the resistance of 134m of No.20 copper wire at 20 degrees C (p=1.72x10^-6Ohom cm , A= 2.07x10^-2 cm ^2)

1 answer

13400 cm (1.72*10^-6) ohm cm /2.07*10^-2 cm^2

= [(1.34)(1.72)/(2.07)] * 10^(4-6+2)

= 1.11 Ohms