Length of a hollow tube is it’s outer diameter is and thickness of it’s wall is If resistivity of the material of the tube is then resistance of tube will be |
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a) |
b) |
c) |
d) |
None of these |
Length of a hollow tube is it’s outer diameter is and thickness of it’s wall is If resistivity of the material of the tube is then resistance of tube will be |
|||||||
a) |
b) |
c) |
d) |
None of these |
(a)
By using ; here
Outer radius
Inner radius
So