In the course of learning about electricity, you will want to construct your own circuits using resistors and batteries. Some options are available in this matter of circuit assembly, some easier than others. In this section, I will explore a couple of fabrication techniques that will not only help you build the circuits shown in this chapter, but also more advanced circuits.
If all we wish to construct is a simple single-battery, single-resistor circuit, we may easily use alligator clip jumper wires like this:
Jumper wires with “alligator” style spring clips at each end provide a safe and convenient method of electrically joining components together.
If we wanted to build a simple series circuit with one battery and three resistors, the same “point-to-point” construction technique using jumper wires could be applied:
This technique, however, proves impractical for circuits much more complex than this, due to the awkwardness of the jumper wires and the physical fragility of their connections. A more common method of temporary construction for the hobbyist is the solderless breadboard, a device made of plastic with hundreds of spring-loaded connection sockets joining the inserted ends of components and/or 22-gauge solid wire pieces.
Source http://www.allaboutcircuits.com/textbook/direct-current/chpt-5/building-simple-resistor-circuits/
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