A bulb is either an underground, fleshy plant bud (like onions or tulips) used for storing food and surviving dormancy, or an artificial light source, typically LED, CFL, halogen, or incandescent, that produces illumination by heating a filament or using electricity. Modern LED bulbs are preferred for being energy-efficient, long-lasting, and cool to the touch.
Key Aspects of Light Bulbs:
- Types: LED (energy-efficient), CFL (compact fluorescent), Incandescent (traditional)




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