What is a diode? It is a semiconductor device that has two terminals, an anode (+) and a cathode (-) and only allow the flow of electricity in one direction. Due to this, the diode has the same characteristics as a switch.

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What is a coil or inductor?

It is a passive element, of energy storage in the form of a magnetic field. The simplest form of inductor is a coil of wire that has a tendency to maintain its magnetic field once established.

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What is a resistor?

It is a two-terminal electronic device and has no polarity. Its main function is heat dissipation, a process in which electrical energy is converted into thermal energy, that is heat. The unit of measurement of the resistor is the ohm ().

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