flag
Basic Electronic Components Capacitors Transistors Color Codes

Resistors

A passive two-terminal electrical component that implements electrical resistance as a circuit element. Resistor main purpose in a circuit is to help control current flow. It protects other electronic components from circuit overload or destruction. Resistors also perform as filters or voltage dividers.

Schematic Diagram and Symbol

symbol    ressymbol    resistor actual    potentiometer    ceramic