engineering recuitment PGCIL Trainee Supervisor Electrical Mock Test 2024 Utilization of Electrical Energy Illumination
The total flux of a 250 V lamp is 1500 lumens and it takes a current of 0.4 A. Find the lumen per watt.
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6
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10
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15
4
25
The total flux of a 250 V lamp is 1500 lumens and it takes a current of 0.4 A. Find the lumen per watt.