Series and parallel connection of resistances

Serial connection when the current in each element is the same.





Serial connection properties:

a) The circuit current and voltage depends on the resistance of any of the elements;
b) The voltage on each of the series-connected elements is less than the input;



c) Serial connection is a voltage divider.

Parallel connection

A connection in which all sections of a circuit are connected to one pair of nodes affected by the same voltage.



Parallel connection properties:

Equivalent resistance is always less than the smallest of the branch resistances;
The current in each branch is always less than the source current. The parallel circuit is a current divider;
Each branch is under the same source voltage.