![]() There are many tutorials that could explain it in detail, and i encourage you to look into it. It's still a 10 ohm resistor, but it's total ckt resistance would be different. My 10 ohm resistor would have a different impedance, depending on how fast my assistant could switch the leads back and forth. So in my battery example, if i had my 10 ohm resistor in there, and i had an assistant who could switch the leads on the battery terminals (back and forth really quickly), id have an AC ckt. In fact, it can vary a lot from moment to moment. The impedance varies as the frequency changes (which tends to happen in music). Which is why a speaker for instance, is not a fixed load to an amp. The tricky part about impedance, is that it varies (within the same ckt) with frequency. ![]() Impedance is a function of an AC (alternating current) ckt. Now the same scenario except i stick in a 10 ohm resistor between the positive and negative. Imogen Heaps Reverb: production of robotic orchestra (2014). That's a direct short, and basically zero ohms. Collection: Guest musician at Tarek Atouis installation in the The Tanks, Tate Modern. So let's say i have a battery, and a wire running from positive to negative. Click to expand.No, they are not the same thing, but many people do use the terms interchangeably (which is incorrect).ĭc or direct current, has a "resistance" to it in a ckt.
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