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A small circular ring has a uniform char...

A small circular ring has a uniform charge distribution. On a far-off axial point distance x from the centre of the ring, the electric field is proportional to-

A

`x^(-1)`

B

`x^(-3//2)`

C

`x^(-2)`

D

`x^(5//4)`

Text Solution

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The correct Answer is:
C
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MOTION-ELECTROSTATICS-Exercise -1 (Objective Problems | NEET)
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  2. A ring of radius R carries a uniformly distributed charge +Q. A point ...

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  3. A small circular ring has a uniform charge distribution. On a far-off ...

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  4. A non conduction ring of radius R Has uniformly distributed positive ...

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  5. Which of the following statements concerning the electrostatics is cor...

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  6. The tangent drawn ar a point on a line of electroc force shows the -

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  7. Which one of the following diagrams shows the correct lines of force ?

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  8. Electric lines of forces -

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  9. Figure shows the electric lines of force emerging from a charged body....

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  10. Two parallel plates of infinite dimensions are uniformly charged. The ...

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  11. A point positive charge of Q' units is moved round another point posit...

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  12. Three charges are placed as shown in fig if the electric potential ene...

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  13. How much kinetic energy will be gained by an alpha-particle in going f...

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  14. A point charge q moves from point P to pont S along the path PQRS (fig...

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  15. In a uniform electric field, the potential is 10V at the origin of co...

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  16. Whe a negative charge is releases and moves in electric field , it mov...

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  17. Two identical particles of mass m carry a charge Q, each. Initially on...

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  18. Figure shows equi-potential surfaces for a two charges system. At whic...

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  19. A proton moves with a speed of 7.45xx10^(5) m//s dirctly towards a fre...

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  20. Earth's surface is considered to be at

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