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A thin conducting ring of radius R is gi...

A thin conducting ring of radius R is given a charge +Q. The electric field at the centre O of the ring due to the charge on the part ABCD of the ring is

A

3E along KO

B

E along OK

C

E along KO

D

3 E along OK

Text Solution

Verified by Experts

The correct Answer is:
B
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MOTION-ELECTROSTATICS-Exercise -3 Section (A)
  1. Assertion: The lightening conductor at the top of high building has sh...

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  2. The electric potential at a point in free space due to a charge Q coul...

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  3. A thin conducting ring of radius R is given a charge +Q. The electric ...

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  4. Charges q is uniformly distributed over a thin half ring of radius R. ...

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  5. The electirc potential at a point (x, y, z) is given by V = -x^(2)y ...

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  6. Three concentric spherical shells have radii a, b and c(a lt b lt c) a...

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  7. Two positive ions , each carrying a charge q , are separated by a dist...

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  8. Four electric charges +q, +q, -q and -q are placed at the corners of a...

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  9. An electric dipole moment p is placed in an electric field of intensit...

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  10. Assertion: If bob of a simple pendulum is kept in a horizontal electri...

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  11. Two metallic spheres of radii 1 cm and 2 cm are given charges 10^(-2) ...

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  12. Four point charges -Q, -q, 2q and 2Q are placed, one at each corner of...

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  13. Identify the incorrect statements for electric charge q :-

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  14. An electron is projected wit velocity vec(v) = v(0) hat(x) in an elect...

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  15. A dipole of dipole moment 'p' is placed in a non-uniform electric fiel...

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  16. The electric field at a point at a distance r from an electric dipole ...

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  17. A conducting sphere of radius R is given a charge Q. The electric pote...

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  18. In a region, the potential is respresented by V(x, y, z) = 6x - 8xy - ...

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  19. Electric potential (phi) of a quadrupole varies with distance 'r' on i...

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  20. The electric field in a certain region is acting radially outwards and...

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