ElectrostaticsHard
Question
A cube of metal is given a charge (+Q), which of the following statements is true :
Options
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
Solution
For any metallic surface, electric field lines are ⊥r to the surface.
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