When coupling a circuit(like audio) with a capacitor, do you have to have your AC voltage go negative?
For instance if you had a a Sine wave that goes from +5v to 0V and coupled it with a capacitor, wouldn't the capacitor just fill to 5v and block all current?
For instance if you had a a Sine wave that goes from +5v to 0V and coupled it with a capacitor, wouldn't the capacitor just fill to 5v and block all current?