Update for 26-01-22 12:30

tech/Parallel.wiki

@@ -0,0 +1,10 @@
+= Parallel =
+
+Components are in parallel when serveral components are connected to one
+source, and there is a choice between which compoenents current can flow to.
+
+When in parallel, the current across components adds up. Loads in parallel are
+known as current dividers
+
+When loads are in parallel, the total current flowing into the componenets must
+equal the total current flowing out. This is known as _Kirchoff's Current Law_

tech/Resistor.wiki

@@ -1,8 +1,15 @@
 = Resistor =
 
 A resistor is a component that introduces resistance that opposes the flow of
-current. 
+current.
 
 A resistor has a set relationship with voltage and current, shown below
 
 V = I * R
+
+== Series and parallel ==
+
+When a resistor is in series, the values add.
+
+When a resistor is in parallel, the resistance is the reciprocal of the sum of
+the reciprocal. For example, for R1 R2 and R3,

tech/Series.wiki

@@ -0,0 +1,10 @@
+= Series =
+
+Components are in series if the compents occour one after another. When in
+series, the Voltage across components adds.
+
+When loads are in series, they are known as voltage dividers.
+
+When loads are in series there cannot be any "spare" voltage, and therefore the
+sum of the voltages across all components must equal the supplied voltage to
+the circut. This is known as _Kirchoff's Voltage Law_

tech/electronics.wiki

@@ -28,6 +28,8 @@ Also see
 
 * [[Impedance]]
 * [[Resonance]]
+* [[Series]]
+* [[Parallel]]
 
 == Primitive ==