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Electronics For Dummies, 2nd Edition by Gordon McComb, Cathleen Shamieh

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Chapter 4

Getting a Charge Out of Capacitors

In This Chapter

arrow Storing electrical energy in capacitors

arrow Charging and discharging capacitors

arrow Saying “no” to DC and “yes” to AC

arrow Seeing how capacitors react to different frequencies

arrow Using Ohm’s Law (carefully!) for capacitive circuits

arrow Creating the dynamic duo: capacitors and resistors

arrow Exploiting capacitors to block, filter, smooth, and delay signals

If resistors are the most popular electronic component, then capacitors are a close second. Skilled at storing electrical energy, capacitors are important contributors to all sorts of electronic circuits — and your life would be a lot duller without them.

Capacitors make it possible to change the shape (the pattern over time) of electrical signals carried by current — a task resistors alone cannot ...

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