Fortunately a variable capacitor is a surprisingly simple device ... expect a similar coil to form the inductive part of a tuned circuit, but this coil is shorted out to prevent its inductance ...

Compare to calculation. 1. Construct a simple RC high pass filter circuit, using your capacitor. 2. With input level constant, sweep the input over a wide range of frequency (sine wave), and plot the ...

Little with electronics is as plain and simple in reality as basic ... regarding how to model the equivalent circuit of a typical electrolytic capacitor and how to determine with a bit more ...

A simple way to test whether a component is active ... Its function is to store electrical energy in an electric field and deliver it to the circuit when needed. The capacity of a capacitor to store ...