Technician A says a lamp may contain only one filament. Technician B says some lamps contain two filaments. Who is correct?
A)A only
B)B only
C)both A and B
D)neither A nor B

Question

Quizplus · Accepted Answer

Both technicians are correct. Some lamps, like those used for basic lighting, contain only one filament, while others, such as dual-beam headlamps in vehicles, contain two filaments for different functions (e.g., high and low beam).

Technician a Says a Lamp May Contain Only One Filament