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An infinite thread of charge density `lambda` lies along z-axis. The potential difference between points `A (4, 3, 4)` and `(3, 4, 0)` is A. `(lambda)/(2pi in_(0))In((sqrt41)/(5))`B. `(lambda)/(2pi in_(0))In(5)`C. zeroD. `(lambda)/(2pi in_(0))` |
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Answer» Correct Answer - C Equipotential surfaces are coaxial cylinders, therefore `(4, 3, 4)` and `(3, 4, 0)` lie on equipotential surface. |
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