VITEEE 2016 Paper

Section: Physics

Question : 23 of 125

Marks: +1, -0

The current density varies with radial distance r as J = a r2, in a cylindrical wire of radius R. The current passing through the wire between radial distance R/3 and R/2 is

65πaR4
2592
25πaR4
72
65πa2R3
2938
81πa2R4
144

Validate

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