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Derive an expression for the work done i...

Derive an expression for the work done in rotating an electric dipole from its equilibrium position to an angle ` theta ` with the uniform electrostatic field.

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CBSE COMPLEMENTARY MATERIAL-ELECTROSTATICS AND CURRENT ELECTRICITY -SHORT ANSWER QUESTIONS (2 MARKS)
  1. Draw E and V versus r on the same graph for a point charge.

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  2. Find position around dipole at which electric potential due to dipole ...

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  3. Derive an expression for the work done in rotating an electric dipole ...

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  4. An electrostatic field line cannot be discontinsous. Why ?

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  5. A thin long conductor has linear charge density of 20 muC//m. Calcula...

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  6. What is the ratio of electric field intensity at a point on the equato...

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  7. Show that the electric field intensity at a point can be given as nega...

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  8. A charged metallic sphere A having charge qA is brought in contact wi...

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  9. An electron and a proton travel through equal distances in the same un...

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  10. The electric potential V at any point in space is given V = 20 x ^3 v...

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  11. Justify why two equipotential surfaces cannot intersect.

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  12. Find equivalent capacitance between A and B in the combination given b...

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  13. What is the electric field at O in Figures (i), (ii) and (iii), ABCD i...

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  14. What should be the charge on a sphere of radius 4 cm, so that when it ...

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  15. For an isolated parallel plate capacitor of capacitance C and potentia...

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  16. Does the charge given to a metallic sphere depend on whether it is hol...

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  17. Two charges Q1 and Q2 are separated by distance r. Under what condi...

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  18. Obtain an expression for the electric field intenstiy at a point on th...

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  19. The electric field component in the figure are vecE x = 2 x hati ...

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  20. Calculate the work required to separate two charges 5 muc and -2 mu...

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