In a power supply capacitive filter, where is the capacitor located in relation to the load?

In a power supply capacitive filter, the capacitor is positioned in parallel with the load. This configuration allows the capacitor to smooth out the voltage supplied to the load by filtering out fluctuations and ripple that may be present in the output of the power supply.

When the capacitor is connected in parallel to the load, it can charge during the peaks of the voltage cycle and discharge when the voltage drops. This action helps to maintain a more stable voltage level across the load, thereby providing a cleaner and more consistent power supply.

Using a parallel arrangement is essential because it enables the capacitor to effectively store energy and release it when needed, significantly reducing the effects of voltage fluctuations on the performance of the load. This improvement in voltage stability is crucial in ensuring proper operation of electronic devices powered by that supply.