Consumers are encouraged to buy Lightbulb A because it is more efficient than Lightbulb B. Which of the following would best demonstrate that Lightbulb A is more
efficient than Lightbulb B?
Lightbulb
A
Lightbulb
B
If it is shown that both
lightbulbs transform electrical
energy to light energy, but
Lightbulb A transforms less
electrical energy to heat
energy.
If it is shown that Lightbulb A
transforms solar energy to
light energy while Lightbulb B
transforms chemical energy to
light energy
If it was shown that both
lightbulbs transform electrical
energy to light energy, but
Lightbulb B does it much
slower than Lightbulb A.
If it was shown that LightbulbA
transforms electrical energy to
chemical energy while
Lightbulb B transforms
electrical energy to heat
energy