A 120-volt lamp fluorescent ballast for two 40-watt lamps is marked 85 volt-amperes. What is the power factor of the ballast.
A 120-volt lamp fluorescent ballast for two 40-watt lamps is marked 85 volt-amperes. What is the power factor of the ballast.
Chapter7: Luminaires, Ballasts, And Lamps
Section: Chapter Questions
Problem 13R: A 120-volt lamp fluorescent ballast for two 40-watt lamps is marked 85 volt-amperes. What is the...
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A 120-volt lamp fluorescent ballast for two 40-watt lamps is marked 85 volt-amperes. What is the power factor of the ballast.
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