Mains Electricity and The National Grid - AQA Physics
Complete the questions below. Once finished, click view your score and see feedback/correct answers
Mains Electricity - You need to be able to:
• Recall the names of the three wires in a standard plug
• Recall information about mains electricity - including the voltage and frequency in the U.K
• Explain the difference between alternating and direct potential difference
Mains Voltage is at .... *
1 point
Electrical appliances have a plug like this and use a three core cable.
What is the name of the wire connected to point 2? *
1 point
What is the name of the wire connected to point 3? *
1 point
What is the name of the wire connected to point 4? *
1 point
Which statement is true about the live wire? *
1 point
What is the role of the earth wire?
1 point
The National Grid - You need to be able to:
• Describe the National Grid - including the step-up and step-down transformers
• Explain why the National Grid is an efficient way of transferring energy.
The National Grid
Tick all of the true statements about the national grid *
4 points
Required
A step-up transformer... *
1 point
A step-down transformer... *
1 point
How is a power surge managed by the National Grid?
1 point
How confident are you with the topic on Mains electricity and the National Grid? *
Not confident
Confident
Submit
This form was created inside of Stoke Newington School and Sixth Form.