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Home Q & A Board Science-Related Homework Help Physics
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einsteindude einsteindude
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9 years ago
Fluorescent bulbs have recently become much more efficient due to the introduction of
A) lower density--i.e., lower pressure--gases within the tube.
B) electronically controlled high-frequency ballasts.
C) high-emission phosphor coatings on the inside of the bulb.
D) longer bulbs.
E) new types of gases, that glow brighter, within the tube.
Textbook 
Conceptual Physical Science

Conceptual Physical Science


Edition: 6th
Authors:
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mel!811mel!811
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