false i think
Explanation:
okay is only a option but am not shore okay sorry If not the answer
Power efficiency is defined as the ratio of the output power divided by the input power:
Efficiency= out/in • 100%
So, (120 - 45)J / 120J • 100% = 62.5%
Ouuuuuuuuuuuuu that’s a little hard. Ask Mr. Professor Oglevee