Answers>Physics>GCSE>Article

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

1770 Views

See similar Physics GCSE tutors

Related Physics GCSE answers

All answers ▸

If a ball is thrown at a velocity of 5m/s, what height does it reach?

A note was played on a a keyboard. The frequency of the note was 440 Hz. (a) What does a frequency of 440 Hz mean? (b) The sound waves produced by the keyboard travel at a speed of 340 m/s. Calculate the wavelength of the note.

Why are transformers used in the National Grid?

Suppose a student wants calculate the density of the two different objects, a metal cube and a small statue. Describe the methods the student could use to measure the density of the two objects.

How do you calculate efficiency?

Related Physics GCSE answers

If a ball is thrown at a velocity of 5m/s, what height does it reach?

A note was played on a a keyboard. The frequency of the note was 440 Hz. (a) What does a frequency of 440 Hz mean? (b) The sound waves produced by the keyboard travel at a speed of 340 m/s. Calculate the wavelength of the note.

Why are transformers used in the National Grid?

Suppose a student wants calculate the density of the two different objects, a metal cube and a small statue. Describe the methods the student could use to measure the density of the two objects.

We're here to help

Company Information

Popular Requests

© MyTutorWeb Ltd 2013–2025

CLICK CEOP