What is resistor: A resistor is a component

A resistor is a component that limits the flow of electric current in a circuit and offers resistance to electric current. Learn about resistor symbol, unit, types, color code, applications, and how to use them in a circuit. The resistor circuit symbols are usually enhanced with both a resistance value and a name. The value, displayed in ohms, is obviously critical for both evaluating and actually constructing the circuit. What is a Resistor, SI unit, Symbols, Types, Color Coding Systems, Properties, Series and Parallel connections, and Applications. Learn resistor types, color code charts, formulas, and solved examples for JEE, NEET, and CBSE 2025. Boost Physics scores with expert tips.