A wire of cross-sectional area 2π x 10\(^-{8}\) m\(^2\) and resistivity 1.1 x 10\(^-{8}\) Ω m, has a resistance of 21Ω.
Calculate the length of the wire. [π=22/7]
a
180 m
b
140 m
c
120 m
d
240 m
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Zeebah08jta
10 months ago
There is no explanation to this question. MySchool please see to this ASAP, please.
