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Consider an infinite line of charge. Specifically develop an expression for the difference in electrical potential...

Consider an infinite line of charge. Specifically develop an expression for the difference in electrical potential between two points that are at different distances from their axis. The distance b being greater than the distance a (b> a). Both distances are radial. Now, consider an 8 cm section of this infinite line, it contains a charge of 3 x 10 ^ -6 C, what will be the electric potential of a point 5 cm from the line if you consider the electric potential 30 cm from the same line is "zero"?

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Solution & E Eo x P 1 Gausss lawi Gaussian (278x)= fx surface . E: f at P. 2 r Eo8 den. ential difference AV=-Sedo dr ZnesV-Va = I b a Given, f= a lu 2n b 3x10-66 o. O 8 m = 3.75 X 10 -5(²) 5 Ys - V30+2x8.98x109 mm X(3-75x10 ) Vs-0 30 1:21x10 6 V

The electric potential at 5 cm is 1.21 x 106V

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