Ch 27 – Current and Resistance

27.1 Electric Current

 

 

 

 

 

 

 

 

 

27.2 Resistance and Ohm’s Law

 

 

 

 

 

 

 

 

 

27.3 A Model for Electrical Conduction

       

 

 

 

 

 

 

 


Active Figure 27.9

 

27.4 Resistance and Temperature

 

 

 

 

 

 

 

 

 

27.5 Superconductors

 

 

 

 

 

 

 

 

 

27.6 Electrical Energy & Power

 

 

 

 

 

 

 

 


Active Figure 27.13