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`S_1` and `S_2` are two parallel concentric spheres enclosing charges Q and 2Q respectively as shown in the figure below. What is the ratio of electric flux through `S_1` and `S_2` ?

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MODERN PUBLICATION-ELECTRIC CHARGES AND FIELDS -Revision Exercises (Very short)
  1. If mass of the electron = 9.1 xx 10^(–31) Kg. Charge on the electron =...

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  2. Assertion : An electrostatic field line never form closed loop. Reas...

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

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  4. Can charge lie on a Gaussian surface?

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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