If at distance r from a positively charged particle, electric field strength and potential are E and V respectively, which of the following graph (s) is/are correct?

The electric field and the electric potential at a point are E and V respectively.

The electric field and the electric potential at a point are E and V respectively.

At a certain distance from a point charge, the electric field is 500 V/m and the potential is 3000 V. What is the distance ?

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 the diagram. If the electric field strength at Q and r are respectively E_(Q) and E_(R) , which one of the following statement is // are false?

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 the diagram. If the electric field strength at Q and r are respectively E_(Q) and E_(R) , which one of the following statement is // are false?

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 the diagram. If the electric field strength at Q and r are respectively E_(Q) and E_(R) , which one of the following statement is // are false?

At a certain distance from a point charge the electric potential is 200V and electric field is 200 V/m. What is this distance?

If V and u are electric potential and energy density, respectively, at a distance r from a positive point charge, then which of the following graph is correct ?

If V and u are electric potential and energy density, respectively, at a distance r from a positive point charge, then which of the following graph is correct ?