When is more power delivered to a lightbulb, immediatelyafter it is turned on and the glow of the filament is increasingor after it has been on for a few seconds and the glow issteady?

University Physics Volume 2
18th Edition
ISBN:9781938168161
Author:OpenStax
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Chapter9: Current And Resistance
Section: Chapter Questions
Problem 7CQ: An incandescent light bulb is partially evacuated. Why you suppose that is?
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When is more power delivered to a lightbulb, immediately
after it is turned on and the glow of the filament is increasing
or after it has been on for a few seconds and the glow is
steady?

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