Adjustable Capacitor with Dielectric
Next, we deposit a fixed amount of charge onto the left plate. Now, when the separation is widened, the electroscope shows a rising voltage, even as the amount of charge stays constant. When a block of plexiglass (a dielectric) is inserted between the plates, the voltage drops. However, when the plexi is removed, the voltage rises back up again, showing that the charge is still there.
This is one of the main reasons capacitors are built with dielectrics between their plates; more charge can be stored at a lower voltage.
- February 20, 2009 09:52
- Creative Commons Attribution-NonCommercial (What is this?)
- Additional Files
- 34433 times
Added almost 2 years ago | 00:00:54 | 3504 views
Added almost 3 years ago | 00:01:24 | 11571 views
Added over 3 years ago | 00:01:01 | 16708 views
Added 10 months ago | 00:01:17 | 1221 views
Added over 2 years ago | 00:02:23 | 6781 views
Added over 1 year ago | 00:01:37 | 3111 views