Halogen lamp (हेलोजन लैम्प) मरकरी बल्ब structure of halogen lamp .mercury lamp (मरकरीबल्न)
Channel: ELECTRICAL
Date: 01/12/2020

halogen lamp 2.types of halogen lamp 3.structure of halogen lamp 4.diffrens types of halogen lamp 5.use in halogen lamp 6.100watt halogen lamp 7.lumen structure halogen lamp