Week 03: Sessional test , Electric Potential, examples.

Chapter 21,23 , pages 780-794. Sear and Zemansky. University Physics with Modern Physics. 12th ed.
      Pearson, 2008

https://lms.su.edu.pk/files/7081/physics21.pdf

https://lms.su.edu.pk/files/7081/physics23.pdf