Question

Different types of lighting devices operate at different levels of efficiency. Which of the following correctly compares the efficiency of three common types of lighting devices?

Select one:

A. Halogen bulbs are more efficient than either incandescent bulbs or fluorescent tubes.

B. Fluorescent tubes are more efficient than incandescent bulbs but less efficient than halogen bulbs.

C. Incandescent bulbs are more efficient than halogen bulbs but less efficient than fluorescent tubes.

D. Halogen bulbs are more efficient than incandescent bulbs but less efficient than fluorescent tubes.

Answer 1

D) halogen bulbs are more efficient than incandescent bulbs