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Step 4: Series vs. Parallel

There are two different ways in which you can wire things together called series and parallel.

When things are wired in series, things are wired one after another, such that electricity has to pass through one thing, then the next thing, then the next, and so on.

In the first example, the motor, switch and battery are all wired in series because the only path for electricity to flow is from one, to the next, and to the next.

When things are wired in parallel, they are wired side by side, such that electricity passes through all of them at the same time, from one common point to another common point

In the next example, the motors are wired in parallel because the electricity passes through both motors from one common point to another common point.

in the final example the motors are wired in parallel, but the pair of parallel motors, switch and batteries are all wired in series. So, the current is split between the motors in a parallel fashion, but still must pass in series from one part of the circuit to the next.

If this does not make sense yet, do not worry. When you start to build your own circuits, all of this will start to become clear.
<p>Michael U.</p><p>Thanks alot for this tutorial, it is so rich</p>
<p>Hi,<br><br>Thank you so much for this tutorial.<br><br>FYI , on step12 (ie LED) you mentioned that the flat notch indicator is on anode end , but its on cathode end of the LED. Please check it.<br><br>Thanks.</p>
<p>Thanks for this tutorial!<br><br>For all electronic fans, I made a site about basic stuctures used in analog electronic:<br><br><a href="http://shematronic.ddns.net" rel="nofollow">http://shematronic.ddns.net</a></p>
<p>I appreciate this tutorial. However, where can I go, not to find circuits, but more specifics on how circuits work. I can understand how the first circuit works , sort of understand how and why the second circuit works, and am more lost on the third one. I'd like more of an explanation on why resistors and capacitors are used in specific situations. Any suggestions?</p>
<p>For the &quot;Your second circuit&quot; section, is it 2N3906 PNP and 2N3904 NPN or should the PNP and NPN be switched? The parts list does not match the image of the circuit. </p><p>I'm a beginner, and I want to make sure I use the correct parts.</p><p>Thanks</p>
<p>Thank you for describing two different Powers - AC and DC. <a href="http://sandsphoto.co.uk/" rel="nofollow">http://sandsphoto.co.uk/</a>&quot;</p>
thanks... good for start<br>
<p>Very well documented and detailed.</p>
<p>Thanks, this was exactly what I needed. A nice improvement would have been to explain why each element was on the circuit, instead this feels like you just follow instructions without knowing what you are doing. But once again, it's a perfect introduction to ultra beginners like me.</p>
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when you say ground do you mean negative<br>
You should tell that where to put transistor, capacitor and others. Whether it will be in series or parallel and why ? Effect of adding or removing a component on the circuit And how someone can build thier own circuit?
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<p>Wow! Thanks so much for this post. I am new to circuits and am taking automotive mechanics so this has really helped me understand the fundamentals of circuits in cars and in all other technology too. I look forward to putting it all together. Thanks again and keep up the good work.</p>
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