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Hack a Day. Transistor Circuits. AA Battery Powered "Tesla Coil" There aren't many parts to this build, and most can easily by scrounged from old TVs and other electronics or be bought for cheap. The following is needed: Bug zapper racquet: This can be purchased from Ocean State Job Lot for about 5 bucks, and is nifty for fending of mosquitos or high voltage experiments. There are probably other types of devices very similar, but I would recommend finding the racquet pictured to insure the internal circuitry is the same. Flyback transformer: Any flyback transformer will do, though the bigger the better.

Don't kill yourself looking for an old non-rectified design, since there are no benefits of it for this circuit. Random assorted hardware: This circuit requires a spark gap to be constructed. The design of the spark gap can vary, as long as the two ends where the arc jumps is rounded, and the gap adjustable. Optional: Additional Capacitors: Should be rated for at least 1.6 KV. Where There Is Charge, There Can Be Sparks! Please ensure you have JavaScript enabled in your browser. If you leave JavaScript disabled, you will only access a portion of the content we are providing.

<a href="/science-fair-projects/javascript_help.php">Here's how. </a> Abstract Have you ever gotten a shock touching a doorknob after walking across a carpet? Objective Learn about one of the building blocks for all types of circuits—the capacitor. Credits Michelle Maranowski, PhD, Science Buddies This project is based on the "Charge and Carry" project on the Exploratorium website: Exploratorium. Apple® is a registered trademark of Apple Inc. iPhoneTM is a trademark of Apple Inc.

StyrofoamTM is a registered trademark of The Dow Chemical Company. Scotch® is a registered trademark of 3M. Share your story with Science Buddies! I Did This Project! Last edit date: 2013-01-10 Introduction Static charge is the buildup of charge on an object. Leyden jars come in all shapes and sizes, but they all have the same design. Terms and Concepts Questions.

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Welcome to the Electronics Club.