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2. If the battery voltage in the figure is 12 volts and the plate separation is 0.8 cm. If a charge of 3 micro C moves from the upper plate to the lower one, what is its change in electrical potential energy?

3. The potential energy of a system containing only one point charge is

5. Negative mutual potential energy corresponds to attraction between two charges

6. If a unit charge is taken from one part to another part over an equipotential surface, then what is the change in electrostatic potential energy of the charge?

7. The electrostatic potential energy of given system is

8. In bringing an electron towards another electron, the electrostatic potential energy of the system

10. A proton is accelerated from rest through a potential of 500 volts. Its final kinetic energy is

11. The electrostatic potential energy between two charges q1 and q2 separated by a distance by r is given by

12. What is the electrostatic potential energy of a system containing two charges 40 nC and 60 nC at a distance of 36 cm?

15. Positive mutual potential energy of a system containing two charges corresponds to