Ground is the common return path of a circuit, where current returns to its source. This is often … See more

Terminals are connection points to external circuits. For external connections, terminals are denoted by empty circles: Terminal connections are different from nodes or junctions w… See more

A resistoris one of the most basic passive circuit components. Resistors have electrical resistance, which restricts current flow. The schematic symbol for a resistor is shown belo… See more

Inductorsare passive components that create a magnetic field when current flows through them. Inductors can be as simple as a coil of wire. The schematic symbol of an inducto… See more