Loading the lesson
Loading the lesson
Search AllRounder.ai
Search the courses, subjects, tracks, games and features, or jump straight to a page.
Search the courses, subjects, tracks, games and features, or jump straight to a page.
4 cards from this section. Quick, good the night before a test.
What is the unit of power?
Think of the number of joules used per second.
If a device uses 100 joules of energy in 10 seconds, what is its power?
Use P = E/t for your calculation.
What is power?
Think about how quickly tasks are completed in terms of energy.
What is the SI unit of power?
What unit do we use for measuring energy transfer per unit time?
If a generator outputs 5000 watts of power, how much energy will it produce in 1 hour?
Convert one hour into seconds before performing the multiplication.
A car engine performs work at a rate of 700 watts. If it operates for 2 hours, how much energy does it consume?
Make sure to convert hours into seconds correctly.
6 more questions in this section. Enroll free to practise them all.
Enroll free