O Level Physics MCQs – Certification Test 759
MCQ 759: Efficiency of a machine is 80% and total energy input is 2000 J. output of machine is:
The App: Efficiency O Level Physics MCQ App to Study Efficiency O Level Physics Notes, O Level Physics MCQ App, and 9th Grade Physics MCQ App for physics digital syllabus.
Download the "Efficiency O Level Physics Study " App: Free O Level Physics MCQ App (iOS & Android) to achieve learning goals. Download App Store & Play Store Learning Apps with all functionalities to develop study discipline.