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Two charges -q and +q are located at poi...

Two charges -q and +q are located at points (0, 0, -a) and (0, 0, a), respectively. How much work is done in moving a small test charge from the point (5,0,0) to (-7,0,0) along the x-axis? Does the answer change if the path of the test charge between the same points is not along the x-axis?

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MODERN PUBLICATION-ELECTRIC POTENTIAL-EXERCISE
  1. Two charges -q and +q are located at points (0, 0, -a) and (0, 0, a), ...

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  2. Find an expression for line integral of electric intensity.

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  3. The work done in moving a positive charge on an equipotential surface ...

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  4. Show that the work done in moving a unit charge along a closed path is...

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  5. Derive an expression for electric potential at a point due to a point ...

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  6. Define electric potential. What is the SI unit of potential? Obtain an...

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  7. Define electric potential at a point. Derive an expression for the pot...

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  8. Derive an expression for the electric potential at a point along the a...

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  9. Derive an expression for electric field intensity at a distance r from...

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  10. Deduce an expression for electric potential due to an electric dipole ...

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  11. Deduce an expression for electric potential due to an electric dipole ...

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  12. How is electric field at a point related to potential gradient?

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  13. How is electric field at a point related to potential gradient?

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  14. What is the shape of equipotential surfaces for a uniform electric fie...

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  15. Draw the equipotential surfaces due to an electric dipole. Locate the ...

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  16. Obtain an expression for potential energy of the configuration of thr...

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  17. Depict the equipotential surfaces for a system of two identical positi...

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  18. Deduce the expression for the potential energy of a system of two poin...

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  19. Two uniformly large parallel thin plates having charge densities +sigm...

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  20. Two point charges q1 and q2 are kept at a distance of r(12) in air. De...

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  21. Derive an expression for potential at a point due to a group of point ...

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