SSC SSC JE Electrical 2025 Mock Test Series (Paper 1 & Paper 2) Utilization of Electrical Energy Illumination
Which of the following lighting calculation method is applicable for the cases where all sources produce uniform illumination over the working plane or an average value is required?
1
Point-to-point method
2
Watts-per-square meter method
3
Inverse square law method
4
Light flux method