Hi ur concept of bringing all the useful websites for electricals is nice. I want to add this site www.powerelectrical.blogspot.com which covers electrical engineering tutorials and helpful to students.
The site www.powerelectrical.blogspot.com covers electrical engineering topics in detail.The site having basic theory,solved & practice problems and objective questions on all topics in circuit theory and Network analysis.
Hi U can visit www.powerelectrical.blogspot.com to see about Thevenin's theorem and more topics in theorems. Also to get clear idea when dependent sources present visit ths link
[PLAIN]www.eas.asu.edu/~holbert/ece201/ECE201Lect-13.ppt[/URL]