1. BASIC CONCEPTS Dr. Mustafa Uyguroglu

2. Electric Circuit An electric circuit is an interconnection of electrical elements.

3. Systems of UNITS QuantityBasic UnitSymbol Lengthmeterm Masskilogramkg Timeseconds Electric currentampereA Thermodynamic Temperature kelvinK Luminous intensity candelacd

4. The SI Prefixes

5. Charge and Current

6. Electric Current

7. The charge transferred between time t 0 and t

8. Voltage

9. Power

10. Energy

11. Passive Sign Convention

12. PSC: Example I

13. PSC: Example II

14. PSC: Example III

15. Circuit Elements Ideal Independent Source: provides a specified voltage or current that is completely independent of other circuit variables Ideal Independent Voltage Source:

16. Circuit Elements Ideal independent current source

17. Circuit Elements Ideal dependent voltage source Ideal dependent current source