Resistor Circuit Diagrams: Fixed vs. Variable Resistors Explained #302964 (License: Personal Use)

Diagram A shows a standard fixed resistor in series. Diagram B depicts a potentiometer with three terminals and an adjustable wiper. Diagram C illustrates a rheostat configuration using two terminals of a variable resistor. Diagram D represents a generic variable resistor with arrow indicating resistance adjustment direction.

Used in educational electronics content, textbooks, or tutorial pages explaining passive components; targets learners seeking to identify and apply resistor types in circuit design.