Physics 201- Introduction to Electricity & Magnetism
October 16- Simple Electric Circuits

 

 

 

 
 

 

 
  • What is the electric field inside of the wires?  Remember this are ideal wires.
  • What is the electric field inside of the resistors?  (Is it zero?)
  • What is the electric field inside of real wires?  (What differentiates a real wire from an ideal one?)

 
 
 

Do you need a battery or power supply to produce a current?
 
 
 
 
 
 
 

In lab, we were looking at real batteries- measuring emf and internal resistance.  We always saw that the power supply had a terminal voltage less than the emf.   Is it possible to have a terminal voltage difference greater than the emf?  
 
 
 

 

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Jeff Phillips
phillips@lmu.edu
Loyola Marymount University
Fall 2002