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SOLVED: A 250 V lamp has a total flux of 1,500 lumens and takes a current of 0.4 A. Calculate: (a) Lumen per watt (b) MSCP per watt.
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GE ES Rest Fancy Round LED Bulb, 250 Lumen 2.5 Wattage, Warm White : Amazon.com.au: Lighting
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