question 2 of 10\nwhat engineering problem was presented in the study?\na. the light - bulbs were too…

question 2 of 10\nwhat engineering problem was presented in the study?\na. the light - bulbs were too dim.\nb. the light - bulbs were burning out after only a few hours of use.\nc. the light - bulbs were too bright.\nd. the light - bulbs were exploding after several minutes of use.

question 2 of 10\nwhat engineering problem was presented in the study?\na. the light - bulbs were too dim.\nb. the light - bulbs were burning out after only a few hours of use.\nc. the light - bulbs were too bright.\nd. the light - bulbs were exploding after several minutes of use.

Answer

Brief Explanations:

Among the options, a common engineering - related problem with light - bulbs is their short lifespan. Option B indicates that the light - bulbs were burning out after only a few hours of use, which is an engineering problem related to the durability and design of the light - bulbs.

Answer:

B. The lightbulbs were burning out after only a few hours of use.