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A whin wire ring of radius r carries c...

A whin wire ring of radius `r` carries charge `q`. Find the magnitude of the electric field strength on the axis of the ring as a function of distance `l` from its centre. Investigate the obtained function at `l gt gt r`. Find the maximum strength magnitude and the corresponding distance `l`. Draw the appoximate polt of the function. `E (l)`.

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PHYSICS GALAXY - ASHISH ARORA-ELECTROSTATICS-Partice Exercise
  1. A thin half ring of radius R = 20 cm is uniformly charged with a tota...

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  2. Three short electric dipoles, each of dipole moment P, are placed at t...

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  3. A whin wire ring of radius r carries charge q. Find the magnitude ...

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  4. A circular wire-loop of radius a carries a total charge Q distributed ...

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  5. An electron is constrained to move along the central axis of a ring of...

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  6. Two point charges Q(1) and Q(2) are positioned at points I and 2. The ...

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  7. Two wires AB & CD, each 1m length, carry a total charge of 0.2 microco...

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  8. The diagram shows a uniformly charged hemisphere of radius R. It has v...

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  9. An infinitely long solid cylinder of radius R has a uniform volume ch...

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  10. There are two nonconducting spheres having uniform volume charge densi...

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  11. Suppose the surface charge density over a sphere of radius R depends o...

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  12. The region between two concentric spheres of radii 'a' and 'b', respec...

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  13. A square loop of side 'l' each side having uniform linear charge densi...

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  14. Two concentric rings, one of radius a and the other of radius b, have ...

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  15. An infinite dielectric sheet having charge density sigma has a hole of...

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  16. A uniform rod AB of mass m and length l is hinged at its mid point C. ...

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  17. Two particles each charged with a charge +q are clamped on they axis a...

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  18. An infinite number of charges each equal to q are placed along the x-a...

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  19. A particle having a charge of 1.6 x 10^(-19) C enters midway between t...

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  20. A circular ring of radius R with uniform positive charge density lambd...

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