Bloomfield, Louis A. "Question 187"
How Everything Works
22 Jul 2018. 22 Jul 2018 <
187. Why does a refrigerator light last so long?
The life of an incandescent bulb depends almost exclusively on how many hours its filament has been hot. Since the bulb in a refrigerator is only on for a few minutes a day, it lasts for many years.
Generated for printing on Sunday, July 22, 2018 at 22:05:44 EDT
Louis A. Bloomfield
, All Rights Reserved