what will be the resistance of a metal wire of length 2m and area of cross section 1.55 into 10 to the power minus 6 m square if the resistivity of the matter be 2.8 into 10 to the power minus 8 Ohm
Answers
Answered by
29
Here is the answer for your question.
Attachments:
Answered by
9
Answer:
Given
Length = 2m
Area = 1.55×10^-6
Resistivity,p = 2.8×10^-8 and ,
Resistance =?
Now putting these value in the formula
R=P×L/A
=2.8×10^-8×2/1.55×10^-6
=2.8×2×10^6/1.55×10^8
=2.8×2×1000000/1.55×100000000
=2.8×2×0.01/1.55
=0.056/1.55
=0.036 ohm
Explanation:
Similar questions