סאטירה מותנה אבן דרך tungsten halogen lamp efficiency שלם אני גאה משל
Energy efficiency of a quartz tungsten halogen lamp: Experimental and numerical approach - ScienceDirect
Incandescent Lamp - an overview | ScienceDirect Topics
Energy efficiency of a quartz tungsten halogen lamp: Experimental and numerical approach - ScienceDirect
S+ IEC 62442-3 Ed. 3.0 en:2022 (Redline version) - Energy performance of lamp controlgear - Part 3: Controlgear for tungsten-halogen lamps and LED light sources - Method of measurement to determine the efficiency of controlgear
LEDs Beware! The Rebirth of the Incandescent Light Bulb - Tech Briefs