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In a uniformly charged sphere of total c...

In a uniformly charged sphere of total charge Q and radius R, the electric field E is plotted as a function of distance from the centre. The graph which would correspond to the above will be

A

B

C

D

Text Solution

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The correct Answer is:
D
For uniformly charges sphere
`E=(Kqr)/R^(3)" "(r lt R)`
`E=(Kq)/R^(2)" "(r=R)`
`E=(Kq)/r^(2)" "(r gt R)`
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ALLEN-MISCELLANEOUS-Exercise-05(A)
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  4. Let P(r) = (Q)/(pi R^(4)) r be the charge desntiy distribution for a s...

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  10. Two positive charges of magnitude q are placed at the ends of a side A...

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  11. An insulating solid sphere of radius R has a uniform positive charge d...

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  12. In a uniformly charged sphere of total charge Q and radius R, the elec...

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  13. Two charges, each equal to q, are kept at x = −a and x = a on the x-ax...

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  14. A charge Q is uniformly distributed over a long rod AB of length L as ...

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  15. Assume that an electric field E=30 x^(2) hat(i) exist in space. Then, ...

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  16. A uniformly charged solid sphere of radius R has potential V(0) (meas...

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  17. A long cylindrical shell carries positive surface charge sigma in the ...

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  18. The region between two concentric spheres of radii a and b (gt a) cont...

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  19. The potential (in volts) of a charge distribution is given by V(z)=3...

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