The wires are commonly depicted by lines and show the path of transmitting electric current. The devices using current and the connecting wires or transmission lines linking the electrical devices are also included in the electrical circuit. It may also contain a switch closing/opening the flow of electricity in a circuit, a resistor to reduce current flow or divide voltage, and other special components. The electric circuit commonly includes the energy sources providing constant voltage in the circuit (battery), devices converting mechanical energy into electrical power (generator), a conductor that provides a path for energy flowing in the circuit. However, it is advisable to make changes to the plan in advance, before installing the electrical circuit. It is also the main guideline when a modification of the electrical circuit is required. Ohm’s law and Kirchhoff’s voltage law are the basic laws that mathematically describe the work of electric circuits.Ĭircuit diagram plays a significant role in the design, construction, implementation, and maintenance, of electrical circuits and electronic equipment. Special recognized symbols are used to identify components of electrical circuits including transistors, conductors, transformers, capacitors, etc. It shows the operation of an electrical circuit, its components, and how they are interconnected. A circuit diagram is a visual graphical display of an electrical circuit.
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