Resistance. Resistor. IEEE & IEC symbols of Resistors. Types of Resistors. Linear Resistors. Fixed Resistors. Carbon Composition Resistors. Wire wound Resistors. Thin Film Resistors. Carbon Film Resistors. Metal Film Resistors. Thick Film Resistors. Metal Oxide Resistors. Cermet Oxide Resistors. Fusible Resistors. Variable Resistors. Potentiometers. Rheostats. Trimmers. Non Linear Resistors. Thermistors. Varisters (VDR). Photo Resistor or Photo Conductive Cell or LDR (Light Dependent Resistors). SMD (Surface Mount Technology) Resistors. Uses / Application of Resistors