Asked by physics
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)
Answers
Answered by
Damon
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
= [(1.34)(1.72)/(2.07)] * 10^(4-6+2)
= 1.11 Ohms
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