basic concepts dr. mustafa uyguroglu. electric circuit an electric circuit is an interconnection of...
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
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