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Which of the following statement(s) is/a...

Which of the following statement(s) is/are correct?

A

If the. electric field due to a point charge varies as `r^(25)` instead of `r^(-2)`, then the Gauss law will still be valid

B

The Gauss law can be used io calculate the field distribution around and electric dipole

C

If the electric field between two point charges is zero somewhere, then the sign of the two charges is the same

D

The work done by the external force in moving unit positive charge from p'ointA at potential `V_(A)` to point B at potential `V_(B)` is `(VB-V)`

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  7. A cubical region of side a has its centre at the origin. It encloses t...

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  8. The figure- shows, two point charges q(1) = +2Q and q(2) = -Q. The ch...

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  9. At distance of 5 cm and 10 cm outwards from the surface of a uniformly...

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  10. Six point charges are kept at the vertices of a regular hexagon of sid...

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  11. Point charges are located on the comer of a square as shown below. Fin...

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  12. Charges Q1 and Q2 lie inside and outside, respectively, of a closed su...

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  13. In an uniform electric field, when we move from origin to x = Im, the ...

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  14. An electric dipole is placed at the centre of a sphere. Mark the corre...

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  15. Two point charges Q each are placed at (0,y) and (0, -y) A point char...

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  17. The following figure-I .427 shows a block of mass m suspended from a f...

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  18. Two concentric spherical shells have charges +q and -q as shown in fig...

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