WOLFRAM|DEMONSTRATIONS PROJECT

Effective Resistance of Network

​
R
1
(ohms)
10
R
2
(ohms)
10
R
3
(ohms)
10
R
4
(ohms)
10
R
5
(ohms)
10
Applying successively the laws of addition of series and parallel resistances, you can build up the total resistance:
R=
R
1234
+
R
5
,
1
R
1234
=
1
R
123
+
1
R
4
,
R
123
=
R
1
+
R
23
,
1
R
23
=
1
R
2
+
1
R
3
. The equivalent-resistance circuit is shown at the bottom.