Question

rank the types of light bulb from least efficient to most efficient.
1.
what is the next least efficient lightbulb?
fluorescent light bulb
led light bulb
incandescent light bulb

Explanation:

Step1: Recall efficiency of bulbs

Incandescent bulbs are least efficient (convert most energy to heat).

Step2: Compare fluorescent

Fluorescent bulbs are more efficient than incandescent.

Step3: Consider LED

LED bulbs are most efficient (convert more energy to light).

Answer:

Incandescent light bulb (least), fluorescent light bulb (next), LED light bulb (most)