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A metallic shell has a point charge 'q' ...

A metallic shell has a point charge 'q' kept inisde its cavity. Which one of the following diagrams correctly represents the electric lines of forces?

A

B

C

D

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Verified by Experts

The correct Answer is:
C
Electric field is zero everywhere inside a metal (conductor) i.e., field lines do not enter a metal. Simultaneously these are perpendicular to a metal surface (equipotential surface).
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ALLEN-MISCELLANEOUS-Exercise-05(B)
  1. A charge +q is fixed at each of the points x=x0, x=3x0, x=5x0,…………x=oo...

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  2. Three charges Q, +q and +q are placed at the vertices of a right angle...

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  3. Three poistive charges of equal value q are placed at the vertices of ...

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  4. A uniform electric field pointing in positive x-direction exists in a ...

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  5. Two equal point charges are fixed at x=-a and x=+a on the x-axis. Anot...

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  6. A metallic shell has a point charge 'q' kept inisde its cavity. Which ...

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  7. six charges of equal magnitude, 3 poistive and 3 negative are to be pl...

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  8. Consider the charge configuration and a spherical Gaussian surface as ...

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  9. Three infinitely long charge sheets are placed as shown in figure. Th...

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  10. A long, hollow conducting cylinder is kept coaxially inisde another lo...

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  11. Conisder a neutral conducting sphere. A poistive point charge is place...

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  12. A spherical portion has been removed from a solid sphere having a char...

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  13. Poistive and negative point charges of equal magnitude are kept at (0,...

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  14. Conisder a system of three charges q//3, q//3 and -2q//3 placed at poi...

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  15. A disc of radius a//4 having a uniformly distributed charge 6C is plac...

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  16. Three concentric metallic spherical shells of radii R, 2R, 3R, are giv...

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  17. Under the influence of the Coulomb field of charge +Q, a charge -q is ...

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  18. Let E1(r), E2(r) and E3(r) be the respectively electric field at a dis...

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  19. Charges Q, 2Q and 4Q are uniformly distributed in three dielectric sol...

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