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Phlegmbot posted:I would say that diodes, including LEDs, are passive semiconductor devices, and not active. "technically" they are categorized as such, but yeah, from someone who studied the workings of them they are no more "active" in how they work. Personally, I see capacitors/inductors as more or less active components due to their complex impedance characteristics with alternating signals. quote:drat, this thread got too complicated too fast. I'm a simpleton mystified by the power of electricity. I was hoping the OP would continue posting pretty pictures of balls in tubes, and maybe one day I could learn what the hell a ground does and why one wire is hot and one is not. Think of electricity as a hose (some like to use bucket) The pressure in the hose is the voltage. The flow through the hose is the current. The nozzle at the end of the hose is the resistance. If you have a small nozzle, not much current leaves the hose, however if you up the pressure then more current will flow. If you put the nozzle on "soak" setting, there isn't much resistance and a lot more water flows with less pressure. Thats basic DC electronics there. The problem comes when you alternate the pressure/flow (voltage/current) relationship, which in turn screws with the resistance (impedance) of the nozzle. These are basic principles of electricity, thermodynamics and even energy as a whole, all things more or less work the same. Cheesemaster200 fucked around with this message at 05:22 on Jan 9, 2008 |
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Jan 9, 2008 05:14
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| # ¿ May 4, 2024 02:28 |
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