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Hello there,
I still don't fully understand why does the inductance of a coil change when we approach a metal. Today, I've done a small experiment and I found out that inductance change even when I approach a piece of aluminum.
My pass band filter was powered by alternating current. On the...
Well, I've done some research and I found out (I'm not quite sure though) that permeability isn't the only cause of inductance change when an alternating current circulates in the coil. There is also the magnetic field from the original current and the secondary magnetic field from the eddy...
Hello everyone,
I know this theard is a bit old but I have question and no one to answer it, so I'm trying my luck here.
Why does the inductance of the coil changes when we bring a metal close to it ?
I can't find the answer !
Thank you so much !
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