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If mass of the electron = 9.1 xx 10^(–31...

If mass of the electron = `9.1 xx 10^(–31)` Kg. Charge on the electron `= 1.6 xx 10^(–19)` coulomb and `g = 9.8 m//s^(2)`. Then the intensity of the electric field required to balance the weight of an electron is-

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E=mg/e
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MODERN PUBLICATION-ELECTRIC CHARGES AND FIELDS -Revision Exercises (Very short)
  1. An electric dipole of dipole moment vecp is placed in an electric fiel...

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  2. When an electric dipole is subjected to a uniform electric field, what...

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  3. If mass of the electron = 9.1 xx 10^(–31) Kg. Charge on the electron =...

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

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

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  6. Can charge lie on a Gaussian surface?

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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