Calculate the resistivity of a wire of length of 2m and cross sectional area of 0.004cm square,if its resistance is 3ohms
Answers
Answered by
1
Answer:
6×10^-5
Explanation:
resistivity = RA/L
R= 3 ohm
A= 0.004= 4×10^-5
L=2m
Answered by
0
Answer:
R= resistivity×length/area
resistivity=3×0.004×10^-4 /2 ,,... resistivity is 6×10^-7 ohm .m
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