A positive point charge is placed at P in front of an earthed metal sheet S. Q and R are two points between P and S as shown in figure. If the electric field strength at Q and R are respectively E Q and E R and potential at Q and R are respectively V Q and V R , then –
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(a, c)
As we are moving away from P towards sheet S spacing between electric lines of force is increasing.
∴ E R < E Q
In the direction of electric field potential decreases.
∴ V R < V Q
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