![]() Despite the attraction of a positive electric charge, the cathode is also susceptible to the negative charging of the electrode. On the other hand, the cathode attracts cation, which is the same as a positive charge. In this instance, it facilitates the occurrence of oxidation, which, in turn, attracts the negative charge. This is usually a positively-charged electrode and helps the anode to act as an electron receptor. Since both the anode and cathode deal with processing electrical current we can use that as a way to differentiate them.įor the anode diode, it attracts a negative electric charge. The Differentiations Based on the Electrical Charge In the next paragraphs, we will let you into some of the features that will help you differentiate between a common anode vs. That is the surface differentiation metric. While the anode has the positive sign (+), the cathode has the negative sign (-). The easiest way to differentiate between the two is to look out for the signs or polarity markings. The function of the cathode in a LED is to provide the medium for the electrical current to leave the diode.ĭespite the differences in how they process or facilitate electric current movement, the anode and cathode are two terminals you need in a LED. It has an opposite function to what the anode does. In this case, it is the terminal in the diode, through which the electrical current is meant to pass into or enter the diode. It is a type of Light Emitting Diode (LED) that denotes the positive side of the diode. You will learn about the different functions they perform in a LED. ![]() It is on this basis that we introduce you to the two primary diodes – anode and cathode. Since LEDs’ electrical current are designed to flow in one direction it is therefore expedient to understand the right way to channel it. LED polarity refers to the direction or pathway through which the electrical current is meant to flow in the diode. However, it is important to understand the basic – the polarity of the Light Emitting Diode. For what it is worth, you want to know the differences between the two. ![]() The two (2) major types of diodes you will find in a LED are anode and cathode.
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