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Define electric flux. Write its SI unit....

Define electric flux. Write its SI unit. A charge q is enclosed by a spherical surface of radius R. If the radius is reduced to half, how would the electric flux through the surface change ?

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MODERN PUBLICATION-ELECTRIC CHARGES AND FIELDS -Revision Exercises (Short Answer )
  1. Does Coulomb's law of electric force obey Newton's third law of mo...

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  2. What do you mean by area vector? What is its direction?

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  3. Define electric flux. Write its SI unit. A charge q is enclosed by a ...

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  4. When an electric dipole is held at an angle in a uniform electric ...

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  5. Derive an expression for the intensity of the electric field at a poin...

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  6. (a) Derive and expression for the electric field at any point on the e...

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  7. Give the expression for torque experienced by an electric dipole in an...

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  8. A positive point charge (+q) is kept in the vicinity of an uncharged c...

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  9. State and prove Gauss's law in electrostatics.

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  10. Using Gauss's law, derive an expression for the electric field intens...

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  11. Calculate distance of the point from the centre of a uniformly charged...

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  12. Draw a graph of electric field E(r) with distance r from the centre of...

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  13. State Gauss's law in electrostatics. Applying Gauss's law derive the e...

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  14. Is coulomb's law in electrostatics valld in all situations ?

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  15. Two positive charges which are 0.1m apart repel each other with a fo...

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  16. Plot a graph showing the variation of coulomb force (F) versus ((1)/(r...

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  17. A charge Q is distributed uniformly on a ring of radius R as shown in...

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  18. State Gauss's law in electrostatics. Using this law derive an expressi...

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  19. A small metal sphere carrying charge +Q is located at the centre of a ...

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  20. Define electric dipole moment. Is it a scalar or a vector? Derive the ...

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