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Table Of Contents  CertiGuide to A+ (Core Hardware)
 9  Chapter 0000:  The Start of the PC
      9  V  Electricity

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Capacitor

As with resistors, capacitors can also come in a great range of different packages. The role of capacitors is to store electrons.

Remember the water tank? Think of a hand pump at a well. The water comes out of the pump in spurts. If the water is held in a water tank, a valve can be opened, getting a continuous stream of water. So, a capacitor can behave like a water tank to smooth out uneven electrical flow.

Figure 12: Capacitors.

 


[spacer]Capacitors in PCs

Typical capacitors found on a systemboard or expansion card. Larger capacitors are found in power supplies.



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