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As you can see from the slides above (http://science.pppst.com/electricalcircuits.html)
there are two ways you can connect a circuit: in parallel or in a series. This makes a big difference in how the components behave and you should make sure you understand and remember these differences!!
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CHECK your answers



PARALLEL CIRCUITS




WATCH THIS VIDEO for a simple introduction to parallel circuits

ELECTRIC CIRCUITS - useful website


Other useful website;

CIRCUITS - BBC

SERIES CIRCUITS