Two kinds of common circuits are: The series circuit and the parallel circuit. In series circuit, the current passes through every resistance; like for instance: 3 bulbs are put in series, if any one of them fails to let current pass through it, the remaining bulbs will also not work. Where as, in parallel circuit every resistance is connected independently. Therefore, if any of the bulbs in parallel fails to let current pass through it, the other two bulbs will continue to work.

The two kinds of circuits are series circuit and parallel circuits

Two kinds of electrical circuits are frequently used, the series circuit and the parallel circuit. In series circuit, the same current passes through all the resistances. For example, three bulbs are placed in series. If any one of them fails to allow current to flow through it, all three bulbs will stop working. In a parallel circuit, each resistance is connecting separately. Thus, if any of the three bulbs in parallel fails to allow current to pass through it, the other two will still continuously work.

A current flows around a circuit because the cell, which is the source of the current, forces it to do so. The terminal of the cell can be considered to be at different 'electrical pressures', more correctly termed 'electrical potential'. As in water, where the difference is pressure causes water to flow from a high pressure area to a low pressure area.An electric current can continually flow along a wire only if the wire forms a complete path or circuit. As the current travels along a continuous circle of wire it goes all the way around and arrives back at the start or source. This whole arrangement is called an electric circuit.

A current flows around a circuit because the cell, which is the source of the current, forces it to do so. The terminal of the cell can be considered to be at different 'electrical pressures', more correctly termed 'electrical potential'. As in water, where the difference is pressure causes water to flow from a high pressure area to a low pressure area.An electric current can continually flow along a wire only if the wire forms a complete path or circuit. As the current travels along a continuous circle of wire it goes all the way around and arrives back at the start or source. This whole arrangement is called an electric circuit.

Parallel and series circuit

Series circuit and parallel circuits

Series parallel

series circuit

series circuit

Type of circuit connection

There are two types of circuits series and parallel circuits.

A series circuit type of circuit, that the components are arranged end to end.If there's a gap in a series circuit or maybe one of the components has broken, the current can't flow and so, the whole circuit turns off.

In a parallel circuit,the components don't have to be end to end because the circuit can have branches.If there's a gap or broken component in one of the branches of a parallel circuit, the components in other branches will carry on working.

In most of the the activities so far in this module you have used one bulb in a circuit.

Series circuit, parallel circuit and combination of parallel and series circuit