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Show the variation of electrostatic pote...

Show the variation of electrostatic potential `(alpha 1/r)` and the electrostatic field `(alpha 1/r^2)` with distance r.

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Show that in a equipotential surface, v is constant if r constant (v = potential and r = distance).

Show that the work done by an external force in bringing a unit positive charge from infinity to a point is equal to electrostatic potential (V) at that point.

R G PUBLICATION-ELECTOSTATIC POTENTIAL AND CAPACITANCE-EXERCISE
  1. What is conservative forces? Give examples.

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  2. What is potential energy? Explain it with an example.

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  3. Show the variation of electrostatic potential (alpha 1/r) and the ele...

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  4. Show that in a equipotential surface, v is constant if r constant (v =...

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  5. Show that for any charge configuration, equipotential surface through ...

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  6. What is the potential energy of a charge q in a given filed?

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  7. Give the expression for potential energy of a system of two charges ...

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  8. Why electrostatic field inside a conductor is zero,

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  9. At the surface of a charged conductor, electrostatic filed must be nor...

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  10. What is electrostatic shielding? How can it be achieved?

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  11. Distinguish between a dielectric substance and conductor.

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  12. Give two examples of each polar and non-polar molecules.

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  13. What are the polar molecules? Give examples.

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  14. In a Van de Graaff type generator a spherical metal shell is to be a 1...

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  15. The sides of a rectangel ABCD are 15cm & 5cm as shown in figure point ...

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  16. A spherical conductor of radius 12 cm has a charge 1.6xx10^(-7)C dist...

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  17. A spherical conductor of radius 12 cm has a charge 1.6xx10^(-7)C dist...

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  18. A charge phi=+1muc is held at 0 between two point A and B such that A^...

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  19. Show that the work done by an external force in bringing a unit positi...

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  20. Deduce the expression for potential due to a point charge.

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