Fortunately a variable capacitor is a surprisingly simple device, and one you can make yourself if you are of a mind to do so. [Patrick] did just that with his home-made capacitor, in this case ...
You will also investigate the properties of capacitors by making a simple capacitor and by designing and testing filters and a simple capacitive switch. PREPARATION: Read Lab Handbook 2.3.4 ...
You will also investigate the properties of capacitors by making a simple capacitor and by designing and testing filters and a simple capacitive switch. You will be supplied with #26 AWG enameled wire ...