Search Header Logo
GCSE Physics - Power and Work Done #7

GCSE Physics - Power and Work Done #7

Assessment

Interactive Video

Physics

9th - 10th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video tutorial explains the concept of power, highlighting two definitions: power as the rate of energy transfer and power as the rate of work done. It clarifies the term 'work done' and distinguishes it from energy transfer. The tutorial includes examples comparing the power of two lamps and calculating energy transfer in a microwave. It also demonstrates how to calculate power when work is done, such as pushing a car. Key units like watts, joules, and kilojoules are discussed.

Read more

2 questions

Show all answers

1.

OPEN ENDED QUESTION

3 mins • 1 pt

If a lamp transfers 1,200 joules over 20 seconds, what is its power in watts?

Evaluate responses using AI:

OFF

2.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the power used when doing 9 kilojoules of work over 20 seconds?

Evaluate responses using AI:

OFF

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

Already have an account?