GRADE 7 PLEASE ANSWER I WILL MARK BRAINLEAST
steven has bought a new drill for work. The total input energy is 1.8kJ. The useful output energy is 800J. Calculate the percentage efficiency of the drill.
Answers
Answered by
4
Correct option is
A
E
in
U
×100%
Efficiency is the ratio of the energy used in the process to energy input in the system. Hence option A is correct.
GRADE 7 PLEASE ANSWER I WILL MARK BRAINLEAST
Similar questions