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A cube of a metal is given a positive ch...

A cube of a metal is given a positive charge `Q`. For the above system, which of the following statements is true ?

A

Potential at the surface of cube is zero

B

Potential within the cube is zero

C

Electric field is normal to the surface of the cube

D

Electric field varies within the cube

Text Solution

Verified by Experts

The correct Answer is:
C
For any metallic surface, electric field lines are `bot^(r)` to the surface.
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ALLEN-MISCELLANEOUS-Exercise-01
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  4. Figure shown two equipotential lies x, y plane for an electric field. ...

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  10. Which one of the following pattern of electric line of force can't pos...

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  11. A sphere of radius R and charge Q is placed inside an imaginary sphere...

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  12. Due to a charge inside a cube the electric field is E(x)=600 x^(1//2),...

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  13. Electric flux through a surface of area 100 m^(2) lying in the plane i...

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  14. Two spherical , nonconducting and very tin shells of uniformly distrib...

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

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  16. A hollow metal sphere of radius 5 cm is charged such that the potentia...

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  17. A solid conducting sphere having a charge Q is surrounded by an unchar...

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  18. A cube of a metal is given a positive charge Q. For the above system, ...

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