A wire of length 3 m and area of cross-section 1.7X10-6 m2 has a resistance 3X10-2ohm.
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what we hav to find... I think resistivity it's correct... if its correct it will be ur answer...
Given:l=3m,A=1.7x10-6 m2,R=3x10-2ohm..
resistivity (ro)=?
solution :
R=ro X l / A
ro=RxA / l
=3X10-2 X 1.7X10-6 / 3
=1.7x10-8 ohm.m
Given:l=3m,A=1.7x10-6 m2,R=3x10-2ohm..
resistivity (ro)=?
solution :
R=ro X l / A
ro=RxA / l
=3X10-2 X 1.7X10-6 / 3
=1.7x10-8 ohm.m
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