LED with Photo Resistor

Components:

• LED
• Photoresister (LDR)
• 9V Battery
• wires

Concepts :
Resister
Photoresister

Explanation:
A LED is attached with Photo resister. Photo Resister Resists current flow in light. When placed in low light, resistance is Low. So when Photo Resister is in dark place current flow is more and LED glows more brightly.