Physics 2135 (Engineering Physics II)

Lecture 11: Electromotive Force (EMF), Electric Power

Objectives:
  • Calculate potential changes around a closed loop
  • Incorporate emf, terminal voltage, and internal resistance in your circuit calculations
  • Calculate the electric power dissipated in circuit components, and use electric power in work-energy problems
Lecture Notes: Videos:

Potential Changes Around a Circuit Video part a, Video part b Powerpoint
EMF, Terminal Voltage, and Internal Resistance Video Powerpoint
Electric Power Video Powerpoint
Worked Examples Video Powerpoint

Videos produced and narrated by Dr. Allan Pringle.