![Mcqmate logo](https://mcqmate.com/images/logos/logo-black.png)
![Mcqmate logo](https://mcqmate.com/images/logos/logo-white.png)
McqMate
Q. |
For the same wattage, which of the following lamp is cheapest? |
A. | Fluorescent tube 2 ft. |
B. | GLS lamp |
C. | Fluorescent tube 4 ft. |
D. | Mercury vapour lamp |
E. | Sodium vapour lamp |
Answer» B. GLS lamp |
View all MCQs in
Energy ConversionNo comments yet