# Potential difference

In this lesson we will learn about potential difference including how to measure it and how to calculate it using the energy transferred and charge flow.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

# Intro quiz - Recap from previous lesson

Before we start this lesson, letâ€™s see what you can remember from this topic. Hereâ€™s a quick quiz!

Q1.What is this a definition for: "the flow of charge" ?

1/8

Q2.Which component is used to measure the current in a circuit?

2/8

Q3.What is the unit of measure for current?

3/8

Q4.What symbol is used in equations to represent current?

4/8

Q5.Which charged particle moves around the circuit, allowing the flow of charge?

5/8

Q6.Which of these equations is the correct equation linking charge, current and time?

6/8

Q7.If 450 C flow through a desk lamp in 9 seconds, what is the current?

7/8

Q8.A current of 3 A flows through a resistor. When the circuit is switched on a charge of 24 C flows. How long is the circuit turned on for?

8/8

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

# Intro quiz - Recap from previous lesson

Before we start this lesson, letâ€™s see what you can remember from this topic. Hereâ€™s a quick quiz!

Q1.What is this a definition for: "the flow of charge" ?

1/8

Q2.Which component is used to measure the current in a circuit?

2/8

Q3.What is the unit of measure for current?

3/8

Q4.What symbol is used in equations to represent current?

4/8

Q5.Which charged particle moves around the circuit, allowing the flow of charge?

5/8

Q6.Which of these equations is the correct equation linking charge, current and time?

6/8

Q7.If 450 C flow through a desk lamp in 9 seconds, what is the current?

7/8

Q8.A current of 3 A flows through a resistor. When the circuit is switched on a charge of 24 C flows. How long is the circuit turned on for?

8/8

# Video

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

• Click "Close Video"
• Click "Next" to view the activity

Your video will re-appear on the next page, and will stay paused in the right place.

# Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the â€˜Resume Videoâ€™ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click â€˜Nextâ€™ below.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

# Potential Difference

This quiz will test your knowledge from this lesson and your prior learning.

Q1.What is the unit of measure of potential difference?

1/6

Q2.Which of these definitions best describes potential difference?

2/6

Q3.Which of these statements best describes the size of an electrical current?

3/6

Q4.Which of these descriptions best describes how to measure the potential difference across a resistor?

4/6

Q5.If a charge of 25 C flows through a lamp and delivers 12 J of energy. What is the potential difference across the lamp?

5/6

Q6.A 3 V cell is used to transfer 15 mJ of energy to a resistor. How much charge must flow through the resistor?

6/6

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

# Potential Difference

This quiz will test your knowledge from this lesson and your prior learning.

Q1.What is the unit of measure of potential difference?

1/6

Q2.Which of these definitions best describes potential difference?

2/6

Q3.Which of these statements best describes the size of an electrical current?

3/6

Q4.Which of these descriptions best describes how to measure the potential difference across a resistor?

4/6

Q5.If a charge of 25 C flows through a lamp and delivers 12 J of energy. What is the potential difference across the lamp?

5/6

Q6.A 3 V cell is used to transfer 15 mJ of energy to a resistor. How much charge must flow through the resistor?

6/6

# Lesson summary: Potential difference

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## Time to move!

Did you know that exercise helps your concentration and ability to learn?

For 5 mins...

Move around:
Jog

On the spot:
Chair yoga