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Point P lies on the axis of a dipole . I...

Point `P` lies on the axis of a dipole . If the dipole is rotated by ` 90^@` anti-clock wise , the electric field vector ` vec E` at `P` will rotate by .

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ALLEN -MISCELLANEOUS-Exercise-02
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  2. An electric dipole is kept on the axis of a uniformly charged ring at ...

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  3. Point P lies on the axis of a dipole . If the dipole is rotated by 90...

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  4. Two short electric dipole are placed as shown. The energy of electric ...

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

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

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  7. An infinite, uniformly charged sheet with surface charge density sigma...

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  8. At a distance of 5 cm and 10 cm outward from the surface of a uniforml...

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  9. An electric field converges at the origin whose magnitude is given by ...

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  10. A bullet of mass m and charge q is fired towards a solid uniformly cha...

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  11. A unit positive point charge of mass m is projected with a velocity v ...

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  12. Three concentric conducting spherical shells have radii r, 2r, and 3r ...

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  13. Shown in the figure a spherical shell with an inner radius 'a' and an ...

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  14. In the previous question assume that the electrostatic potential is ze...

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  15. There are four concentric shells A,B, C and D of radii a,2a,3a and 4a ...

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  16. X and Y are large, parallel conducting plates close to each other. Eac...

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  17. Plates a and B constitutes an isolated, charge parallel plate capacito...

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  18. A wheel having mass m has charges + q and - q on diametrically opposit...

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  19. A tiny charged pellet of mass m is suspended at rest by the electric f...

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  20. A positive point charge is placed at P in front of an earthed metal sh...

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