00:10 - Mathematical Preliminaries (Distance Between Two Points)
01:08 - Mathematical Preliminaries (Gradient of a Function)
06:16 - Work Done, Potential Energy and It's Path Dependency)
18:10 - Positive or Negative Work Done?
26:28 - Potential Difference
28:29 - Potential Energy & Potential Due to a Point Charge
30:52 - Electric Field in terms of the Potential Difference
31:30 - Potential Energy and Potential of a System: Multiple Point Charges
36:20 - Potential Energy and Potential of a System: Continuous Body
37:02 - Application of Equation (17): Potential due to a Ring
45:32 - Application of Equation (17): Potential due to a Disk
