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A hollow metallic sphere of radius 10 cm...

A hollow metallic sphere of radius 10 cm is given a charge of `3.2 xx 10^(-9) C.` The electric intensity at a point 4 cm from the center is

A

`9xx10^(-9)NC^(-1)`

B

`"288 NC"^(-1)`

C

`"2.88 NC"^(-1)`

D

zero

Text Solution

Verified by Experts

The correct Answer is:
D

Inside the sphere at any point, E = 0 .
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-ELECTROSTATICS-PRACTICE EXERCISE (Exercise 1 (TOPICAL PROBLEMS))
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  2. A point charge q produces an electric field of magnitude 2NC^(-1) at a...

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  3. A hollow metallic sphere of radius 10 cm is given a charge of 3.2 xx 1...

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  5. Three identical charges are fixed at the corners of an equilateral tri...

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  7. Two particles of charges q(1)=+8q and q(2)=-2q are placed as shown. At...

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  8. Figure shows electric field lines in which an electric dipole p is pla...

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  9. Charge q(2) of mass m revolves around a stationary charge q(1) in a ci...

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  10. If 10^(10) electrons are acquired by a body every second, the time req...

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  11. The electric potential V at any point x,y,z (all in metre) in space is...

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  12. Among two discs A and B, first have radius 10 cm and charge 10^(6) -mu...

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  13. A cylinder of radius R and length L is placed in a uniform electric fi...

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  14. q(1),q(2),q(3) and q(4) are point charges located at points as shown i...

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  15. In a region of space, the electric field is given by vecE = 8hati + 4h...

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  16. Three identical point charges as shown in figure, are placed at the ve...

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  17. A charge Q is enclosed by a Gaussian spherical surface of radius R. If...

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  18. A charge q is placed at the centre of a cube of side l what is the el...

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  19. Three infinitely charged sheets are kept parallel to x-y plane having ...

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  20. In figure +Q charge is located at one of the edge of the cube, then el...

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