Modern Physics> An electric cable is of length 2km and cr...

An electric cable is of length 2km and cross_sectional area of 0.035m2 and made out of a material whose resistivity is 7.0*10-7.determine its resistance

David , 8 Years ago

Grade 12

1 Answers

Sreelakshmi

As we know,

R = rho*l/A (where r is the resistance,rho-resistivity,l-length and a- area)

= 7*10^- 7*2000/.035

=.04

Hope this helps..

Last Activity: 8 Years ago

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Modern Physics> An electric cable is of length 2km and cr...

An electric cable is of length 2km and cross_sectional area of 0.035m2 and made out of a material whose resistivity is 7.0*10-7.determine its resistance

David , 8 Years ago

Sreelakshmi

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