Electrical Energy Transfers - AQA Physics
Complete the questions below. Once finished, click view your score and see feedback/correct answers
Energy Transfers - You need to be able to:
• Recall and use the equation Energy = Power x Time
• Recall and use the equation Energy = Charge flow x Potential difference
• Explain how the power of a circuit device is related to the potential difference across it and the current through it, as well as the energy transferred over a given time.
Which Energy equation shows the correct units? *
1 point
Which Energy equation shows the correct units? *
1 point
Calculate the Energy used by a 40W light bulb in 1 hour. *
0 points
Calculate the Charge flow through a lightbulb if it is connected to Mains electricity and uses 23,000J *
1 point
Which of the following would increase the energy transferred by an electrical device? Tick all that apply. *
4 points
Required
What does the power rating of an appliance tell you? *
1 point
Which equations allow you to calculate power? *
1 point
Required
Calculate the electrical energy supplied to the fan below. *
1 point
If an electric heater is supplied with a current of 5A and has a resistance of 100 Ohms, What is the power of the heater? *
1 point
How confident are you with the topic on electrical energy transfers? *
Not confident
Confident
This form was created inside of Stoke Newington School and Sixth Form.