BASIC CONCEPTS Dr. Mustafa Uyguroglu.

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Presentation transcript:

BASIC CONCEPTS Dr. Mustafa Uyguroglu

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

Systems of UNITS Quantity Basic Unit Symbol Length meter m Mass kilogram kg Time second s Electric current ampere A Thermodynamic Temperature kelvin K Luminous intensity candela cd

The SI Prefixes

Charge and Current

Electric Current

Electric Current The charge transferred between time t0 and t

Voltage

Power

Energy

Passive Sign Convention

PSC: Example I

PSC: Example II

PSC: Example III

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

Circuit Elements Ideal independent current source

Circuit Elements Ideal dependent voltage source Ideal dependent current source

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