student

Hello, Im trying to repair my friends Albrecht DR790 CD but am struggeling to determine the parts that are broken. For context, it was working until lightning struck her house, since then it hasn't worked. After taking it apart, it was obvious that the fuse was blown due to black soot...

Hi, I'm a physics student, and I have a small problem for a lab that I have to solve. Here is my problem: I must create a circuit which uses capacitors to gradually close a light, but in addition, we must pass the current from the capacitor which discharges by the base of an NPN transistor. A...

Tricky simple circuits in DC to help understand Power meaning

Hello, My name is Daniel and I'm a student for E&E. I started a final project about bioimpedance spectroscopy using electrodes. I found this kit - Spectra Bioimpedance and EIT Complete Kit – Mindseye Biomedical and got one. Sadly, the DFT sample rate is way too slow to achieve a smooth image...

Okay so I have a project due tomorrow and I can't get it right, I need to find how many Ohms is the resistor Rb, the link is a screenshot to the task UBX is Uin. https://prnt.sc/t92gbh