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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

Electric potential at the surface of the cube is zero

B

Electric potential within the cube is zero

C

Electric filed is normal to the surface of the cube

D

Electric filed varies within the cube

Text Solution

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The correct Answer is:
C
Electric lines of force are always normal to metallic body.
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A2Z-ELECTRIC POTENTIAL & CAPACITANCE-Section D - Chapter End Test
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  6. A charge +Q at A (see figure) produces electric field E and electric p...

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  7. The concentric, thin metallic spheres of radii r(1) and r(2) (r(1) gt ...

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  8. In figure below, the point charge Q(1) causes an electric potential of...

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  10. A, B, C, D, P, and Q are points in a uniform electric field. The poten...

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  11. Figure shown two equipotential lies x, y plane for an electric field. ...

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  12. An electric dipole is placed along the X-axis O. Point P is at a dista...

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  18. The mean electric energy density between the plates of a charged capac...

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