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Fig shows three point charges +2q, -q an...

Fig shows three point charges `+2q, -q and + 3q`, What is the electric flux due to this configuration through the surface S ?

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Electric flux through the surface S is
`phi=(+2q+(-q))/epsilon_0 =q/epsilon_0`
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MODERN PUBLICATION-ELECTRIC CHARGES AND FIELDS -Revision Exercises (Very short)
  1. Assertion : An electrostatic field line never form closed loop. Reas...

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  2. S1 and S2 are two parallel concentric spheres enclosing charges Q and ...

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  3. Can charge lie on a Gaussian surface?

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  4. State Gauss's law in the integral form and write its equation .

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  5. If It is 1/r^2.5 in place of 1/r^2, would Gauss's law still hold?

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  6. Can we distribute charge over the volume of conducting material ?

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  7. Why is the direction of the electric field due to a charged conducting...

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  8. What is an electrostatic shielding? Mention its one application.

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  9. A metal slab is placed in a uniform electric field vecE. What will be ...

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  10. A dielectric slab of material having dielectric constant 6 is kept ins...

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  11. Two infinite sheets of uniform charge density + sigma and - sigma a...

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  12. Write the expression of electric field due to an infinitely long, stra...

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

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  14. Two identical balls having equal positive charge q coulomb are suspend...

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  15. A surface enclosed an electric dipole, the flux through the surface is...

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  16. How does the electric flux due to a point charge enclosed by a...

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  17. Fig shows three point charges +2q, -q and + 3q, What is the electric ...

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  18. Why electrostatic field is normal to the surface at every point of a c...

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

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  20. A point charge of 4.427 muC is at the centre of a cube Gaussian surfac...

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