How do you calculate efficiency?

The efficiency is calculated using the equation:
((Total useful output energy)/(Total input energy)) *100
We are essentially trying to calculate what percentage of the input energy is converted into a useful form of energy.

Answered by Rachel M. Physics tutor

1365 Views

See similar Physics GCSE tutors

Related Physics GCSE answers

All answers ▸

Why is the nuclear model better than the plum pudding model of the atom?


Given I climb two steps every second and I have a mass of 50kg, what is the power output of my legs in kilowatts? (3 significant figures)


Explain the difference between energy and power.


An electric Iron rated at 2600 W contains a steel plate, heated to a working temperature of 215°C. Room temp=18°C. Deduce whether the plate could reach its working temperature in less than 1 minute. Mass (steel plate)=890g & C (steel)=450J/kg/K


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2024

Terms & Conditions|Privacy Policy