Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
the CPU fan is DC type fan with magnets inside the fan. any rotating coil inside a magnetic field produces emf. The fans have also speed governors in the form of solid state devices. QuietMan meant and indicated the damage meted by the solid state components. Here the voltage is coming from inside without any external voltage applied. This definitely a case for serious consideration.
The photo showed by Pasan is a case of mechanical damage probably due to some obstacle while blowing vacuum cleaner.
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