Basic scientific concepts electrotechnology
107
Series and parallel combinations
The most complex arrangement series and parallel resistors can sim-
plified into single equivalent resistor combining the separate rules for
series and parallel resistors.
Example 2
Resolve the circuit shown Fig.
.6
Equivalent series circuit.6. 5. 5.
VT 10V
R5 6Ω
R4 3Ω
R3 2Ω
R1 Ω
FIGURE 5.
Consider the parallel group.
V1 V3
VT 10V
R1 1Ω
FIGURE 5.5 may now represented the more simple equivalent shown Fig. will label this group RP. Then
1 1
1 1
3
1
6
1 3
6
3 5
R R
R
R
R
P 4
P
P
P
1
1
2
2 1
6
6
6
Ω Ω
Ω Ω
6
1
Ω
Ω
Figure 5.
By inspection, the circuit contains parallel group consisting R3, and and series
group consisting and series with the equivalent resistor for the parallel branch.5 into single resistor and calculate the potential difference
across each resistor.5
A series/parallel circuit
