Electrolytic capacitors are used for power filter, decoupling, signal coupling and time constant setting, DC blocking, etc.
Polarized electrolytic capacitors usually play a role in power supply circuits or intermediate frequency and low frequency circuits for power supply filtering, decoupling, signal coupling, time constant setting, and DC blocking. Generally electrolytic capacitors cannot be used in AC power circuits. When used as filter capacitors in DC power circuits, its anode (positive) should be connected to the positive terminal of the power supply voltage, and the cathode (negative) should be connected to the negative terminal of the power supply voltage. Otherwise it will damage the capacitor.
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The funcion of the electrolytic capacitor is to offer high capacitence value on to the circuit boar.
In an electrolytic cell
An electrolytic cell
Electron flow is from anode (+) to cathode (-)
an electric current causes a chemical reaction
Electrolytic cell
An electrolytic cell
In an electrolytic cell
Reduction occurs at the cathode in an electrolytic cell.
Diagram of electrolytic cell
Oxidation occurs at the anode of an electrolytic cell.
An electrolytic cell
Electron flow is from anode (+) to cathode (-)
an electric current causes a chemical reaction
Electrolytic cell
cathode
oxidation
Electrolytic cell