Over time, atoms boil off the hot filament in an incandescent bulb and the filament becomes thinner.
Question:
Over time, atoms "boil off" the hot filament in an incandescent bulb and the filament becomes thinner. How does this affect the brightness of the lightbulb?
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As an incandescent bulb operates the filament inside it gradually becomes thinner due to a process known as evaporation or boil off This occurs becaus...View the full answer
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Related Book For 
College Physics A Strategic Approach
ISBN: 9780321595492
2nd Edition
Authors: Randall D. Knight, Brian Jones, Stuart Field
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