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Three concentric conducting spherical shells carry charges as : `+4Q` on the inner shell, `-2Q` on the middle shell and `-5Q` on the outer shell. The charge on the inner surface of the outer shell is

A

0

B

4Q

C

`-Q`

D

`-2Q`

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The correct Answer is:
D
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MOTION-ELECTROSTATICS-Exercise -1 (Objective Problems | NEET)
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  3. A square of side 20cm. Is enclosed by a surface of sphere of 80 cm. ra...

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  4. A charge q is located at the centre of a cube. The electric flux throu...

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  5. The volume charge density as a function of distance X from one face in...

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  6. A hollow sphere of charge does not produce an electric field at any-

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  7. Calculate the earth's potential. Assume earth has a surface charge den...

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  8. The electric field inside a spherical shell of uniform surface charge ...

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  9. A hollow metal sphere of radius 5 cm is charged so that the potential ...

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  10. A charged spherical conductor of radius R carries a charge Q. a point ...

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  11. The electric field intensity at a point located at distance r(r lt R) ...

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  12. The dependence of electric potential V on the distance 'r' from the ce...

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  13. Potential difference beween centre and surface of the sphere of radius...

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  14. A solid sphere of radius R has charge q uniformly distributed over its...

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  15. Two similar very small conducting spheres having vharges 40 muC and -2...

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  16. Three concentric conducting spherical shells carry charges as : +4Q on...

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  17. A solid metallic sphere has a charge +3Q. Concentric with this sphere ...

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

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

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  20. A positive charge q is placed in a spherical cavity made in a positive...

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