Unit 1 • Class 10Utilization of Electrical Energy (Tech.Elec.101)
Introduction to Electrical Energy & Illumination
विद्युतीय ऊर्जा र प्रकाश व्यवस्थापन
Nature of light, units of illumination (lumen, candela, lux), laws of illumination, lighting schemes, lamps (incandescent, fluorescent, LED, sodium vapor).