in series with an equivalent resistor 
.
A Norton equivalent circuit contains an equivalent current source
in parallel with an equivalent resistor 
.
A Thevenin equivalent circuit contains an equivalent voltage source
in series with an equivalent resistor .
A Norton equivalent circuit contains an equivalent current source
in parallel with an equivalent resistor .
Figure 1.8: Thevenin and Norton equivalent circuits.
Narippawaj Ngernvijit