9.6 serie and parallel circuits

A series circuit is defined as a circuit that contains only one path for current flow.
A circuit with a simple loop.
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A series circuit is defined as a circuit that contains only one path for current flow.
A circuit with a simple loop.

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Series circuit 

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One lamp off all lamps off

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The current is the same in every part of the circuit 

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Voltage in serie circuit 
The sum of the voltages across components in series is equal to the voltage of the supply. 
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Serie: one loop; one path.



Parallel: 
Branching circuits:
More than one loop

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When we connect components in parallel, the components are connected on different branches of the circuit. There are two or more 'loops’ and multiple paths for a current to flow.


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1.when current reaches a junction in the circuit, it splits up and some current flows along each route
2. when two branches of a circuit meet, the current combines again
3. the total current flowing through the cell can be found by adding the individual currents flowing through each branch.

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The voltage across each component is the same.
The current splits up and is distributed over the various components.


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Slide 13 - Lien