There are many components that students need to know when they are building electronic circuits. We studied about the following list of components and are using many of them in our electronic courses: fixed-value resistors, variable resistors, LEDs, capacitors, inductors, diodes, transformers and transistors. The articles we wrote will give you details about what each component is and what it does. In addition, the symbols used to identify each component and any safety issues related to them. Finally, how to measure each component including the resistor colour code.

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