basic concepts dr. mustafa uyguroglu. electric circuit an electric circuit is an interconnection of...
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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
o
t
t
q idt
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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