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The magnitude of electric field intensit...

The magnitude of electric field intensity at a distance x due to charge q is E. An identical charge in placed at a distance 2x form it. Then the magnitude of force it experiences is -

A

Eq

B

2Eq

C

`(Eq)/(2)`

D

`(Eq)/(4)`

Text Solution

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The correct Answer is:
D
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AAKASH SERIES-ELECTRIC CHARGES AND FIELDS-Exercise-II
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  2. The number of electrons to be put on a spherical conductor of radius 0...

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  3. The magnitude of electric field intensity at a distance x due to charg...

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  4. Three equal charges, each +q are placed on the corners of an equilate...

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  5. The electric field in a region is radially outward with magnitude E = ...

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  6. A sphere of mass 50gm is suspended by a string in an electric field of...

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  7. A and B are two points separately by a distance 5cm. Two charges 10 mu...

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  8. At the corners A, B, C of a square ABCD, charges 10mC, -20 m C and 10m...

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  9. A charged oil drop is suspended in uniform field of 3 xx 10^(4) V//m s...

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  10. A particle of mass .m. and charge q is placed at rest in a uniform ele...

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  11. A proton and an alpha-particle start from rest in a uniform electric f...

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  12. In a regular hexagon each corner is at a distance .r. from the centre....

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  13. The force experienced by a charge of 2mu C in an electric field is 3 x...

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  14. Four charges of +q, +q +q and +q are placed at the corners A, B, C and...

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  15. If E(a) be the electric field strength of a short dipole at a point on...

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  16. Electric charges q,q and -2q are placed at the corners of an equilater...

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  17. An electric dipole is placed at the origin along x-axis.The electric f...

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  18. Two charges +3.2 xx 10^(-19)C and -3.2 xx 10^(-19)C placed at 2.4A^(@)...

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  19. A long solenoid having n = 200 turns per metre has a circular cross-se...

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  20. An electric dipole is along a uniform electric field. If it is deflect...

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