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Question

A line charge exists on A and B is (4m,π,5m) then the potential difference VAB=VAVB
Z-axis with ρ1=1092(C/m) If A is (2m,π2,0)

A
5.64 V
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B
6.24 V
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C
8.91 V
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D
5.23 V
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Solution

The correct option is B 6.24 V

VAB=ABE.dt

Where, E=ρl2πϵ0r^ar

VAB=AB1092(2πϵ0r)dr=109×36π4π×109AB1rdr

=9[lnr]24

VAB=6.24 V


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