calculate the resistivity of the material of a wire 1.0 M long 0.4 millimetre diameter and having a resistance of 2.0 volt?
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Answered by
2
as we know
R=resistivity×length/volume
R=resistivity×length /area of circle diameter=0.4 so radius=0.2
2.0=resistivity×1.0/22/7×0.2×0.2
hope it helps u
2.0×7×0.2×0.2/1.0×22
7/275
R=resistivity×length/volume
R=resistivity×length /area of circle diameter=0.4 so radius=0.2
2.0=resistivity×1.0/22/7×0.2×0.2
hope it helps u
2.0×7×0.2×0.2/1.0×22
7/275
Answered by
2
hope this will help you
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cutexnahar22:
can u plzz send this pge again
okk
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