Trimmer (electronics) References External links 4-terminal resistors – How ultra-precise resistors work Beginner's guide to potentiometers, including description of different tapers Color Coded Resistance Calculator – archived with WayBack Machine Resistor Types – Does It Matter? Standard Resistors & Capacitor Values That Industry Manufactures Ask The Applications Engineer – Difference between types of resistors Resistors and their uses Electrical components Electric heating Resistive components