Resistors

• A resistor is a passive two-terminal electronic component that implements electrical resistance as a circuit element
• For a fixed resistor, the current-voltage graph is a straight line through the origin, demonstrating a direct proportionality between current and voltage,
• The I-V graph for a filament lamp is a curved line, not a straight line like a resistor, because the lamp's resistance increases as the temperature of the filament rises with increasing potential difference
• The I-V graph (current vs. potential difference) for a diode shows a steep, almost vertical, increase in current only when forward-biased (positive voltage), while remaining near zero current when reverse-biased (negative voltage), reflecting its unidirectional current flow characteristic. 
• A Light Emitting Diode (LED) is a semiconductor device that emits light when an electric current passes through it, offering energy efficiency, durability, and a wide range of applications
• When resistors are connected in parallel, the total resistance is always less than the smallest individual resistance
• In dark conditions, the light-dependent resistance has a high resistance
• In the light, the resistance of the light-dependent resistor has a low resistance
• Light Dependent Resistors are used in circuits as light sensors, changing their resistance based on light intensity,