TeachMeFinance.com - explain Lumens-Watt (lpw)
Lumens-Watt (lpw) The term 'Lumens-Watt (lpw)' as it applies to the area of energy can be defined as ' A measure of the efficacy (efficiency) of lamps. It indicates the amount of light (lumens) emitted by the lamp for each unit of electrical power (Watts) used'.
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