Figure 1 shows a configuration of a flat plane and an arbitrary shape, both carrying surface charge density of magnitude σ. The arrows show the electric field lines. Are the statements below true or false? a) The flat plane is carrying a negative surface charge density −σ and the arbitrary shape is carrying a positive surface charge density +σ. Justify your answer. b) Both surfaces are equipotential surfaces. Justify your answer.
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An electrostatic force is a force caused by stationary electric charges /fields. The electrostatic force is caused by the transfer of electrons in conducting materials. Coulomb’s law determines the amount of force between two stationary, charged particles. The electric force is the force which acts between two stationary charges. It is also called Coulomb force.
Figure 1 shows a configuration of a flat plane and an arbitrary shape, both carrying surface
charge density of magnitude σ. The arrows show the electric field lines. Are the statements
below true or false?
a) The flat plane is carrying a negative surface charge density −σ and the arbitrary shape is
carrying a positive surface charge density +σ. Justify your answer.
b) Both surfaces are equipotential surfaces. Justify your answer.
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