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Gauss' law is true only if force due to ...

Gauss' law is true only if force due to a charge varies as

A

`r^-1`

B

`r^-2`

C

`r^-3`

D

`r^-4`

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TARGET PUBLICATION-ELECTROSTATICS-EXCERCISE
  1. Gauss' law should be invalid if

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  2. Electric intensity at a place due to a charge is a quantiy.

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  3. Gauss' law is true only if force due to a charge varies as

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  4. In vector form dipole moment can be expressed as

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  5. The SI unit and dimensions of dipole moment repectively are

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  6. Which of the following charges can form an electric dipole?

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  7. Two charges +3.2xx10^-19C and -3.2xx10^-19C are placed 2.4 A apart fro...

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  8. The region surrounding a stationary electric dipole has

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  9. An electric dipole is kept in non-uniform electric field. It experienc...

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  10. When axis of electric dipole lies along the direction of field then to...

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  11. The moment of couple acting on an electric field is maximum when

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  12. An electric dipole consisting of two opposite charges of 2 xx 10^-6 ea...

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  13. The magnitude (minimum) of charge that a particle can have is

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  14. When the charge is not accumulated in some part of a conductor but spr...

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  15. We can define the term charge density when distribution of charge is .

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  16. Linear charge density for a circle of radius r is

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  17. 10 muC charge is uniformly distributed along a wire of length 5m. Its ...

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  18. Charge per unit area is called as .

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  19. The SI unit of surface charge density is

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  20. Asphere of radius 10 cm is given a charge of 20 muC on its surface. Th...

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