Home › full forms › ldr light dependent resistor

LDR Full Form — Light Dependent Resistor

LDR full form is Light Dependent Resistor. A variable resistor component whose resistance changes based on the intensity of light falling on it, used in light-sensing circuits. LDR is commonly used

TL;DR: LDR full form is Light Dependent Resistor. A variable resistor component whose resistance changes based on the intensity of light falling on it, used…

By Syllab.in · Updated Jun 17, 2026

Explore:

  • Syllabus
  • Practice
  • Mock Tests
  • NCERT Solutions
  • Coding
  • GK Quiz
  • Career Predictor
  • AI Tutor
  • Live Quiz
  • Doubt Solver
  • Microlearning
  • Free Alternatives
  • Kids Zone
  • Study Room
  • Calculators
  • Worksheets

Syllab.in — Free learning for Indian students, Class 1–12