Why Do Light Bulbs Burn Out So Often?

Light bulbs burn out primarily because the filament inside them weakens over time due to heat and electrical stress. Each time the bulb is turned on, the filament expands and contracts, gradually degrading until it breaks. Other factors like voltage fluctuations and poor-quality bulbs can accelerate this process. The Hidden Stress Inside Every Light Bulb At the core of most traditional incandescent light bulbs is a thin tungsten filament. When electricity flows through it, resistance causes […]

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