# Resistance

This lesson explores the relationship between current, potential difference and resistance, and we practise using an equation to calculate current, potential difference and resistance

Quiz:

# Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

## Question 5

Q1.What is used to measure potential difference?

1/5

Q2.What is the unit for current?

2/5

Q3.A circuit has a supply potential difference of 6 volts. There are 2 branches each with 1 identical bulb on. What is the potential difference across each bulb?

3/5

Q4.Select any correctly set up series circuits (tick 4 boxes)

Select four (4) boxes

4/5

Q5.Select the correct statements about series and parallel circuits below (tick 4 boxes)

Select four (4) boxes

5/5

Quiz:

# Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

## Question 5

Q1.What is used to measure potential difference?

1/5

Q2.What is the unit for current?

2/5

Q3.A circuit has a supply potential difference of 6 volts. There are 2 branches each with 1 identical bulb on. What is the potential difference across each bulb?

3/5

Q4.Select any correctly set up series circuits (tick 4 boxes)

Select four (4) boxes

4/5

Q5.Select the correct statements about series and parallel circuits below (tick 4 boxes)

Select four (4) boxes

5/5

# 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 ‘Resume Video’ 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 ‘Next’ below.

Quiz:

# Resistance

This will assess your understanding of the knowledge gained in this lesson so far and your prior knowledge.

## Question 7

Q1.Select the correct unit for resistance

1/7

Q2.Select the correct circuit symbol for a resistor

2/7

Q3.Select the correct equation for ohm's law (where 'x' represents multiply and '/' represents divide)

3/7

Q4.Convert 3 mA to A

4/7

Q5.Convert 2.4 kΩ into Ω

5/7

Q6.A bulb has a current of 2 A and a resistance of 6 Ω. What is the potential difference? Remember potential difference = current x resistance

6/7

Q7.A computer has a current of 0.75 A and a potential difference of 3.3 V. What is the resistance? Give your answer to 2 significant figures

7/7

Quiz:

# Resistance

This will assess your understanding of the knowledge gained in this lesson so far and your prior knowledge.

## Question 7

Q1.Select the correct unit for resistance

1/7

Q2.Select the correct circuit symbol for a resistor

2/7

Q3.Select the correct equation for ohm's law (where 'x' represents multiply and '/' represents divide)

3/7

Q4.Convert 3 mA to A

4/7

Q5.Convert 2.4 kΩ into Ω

5/7

Q6.A bulb has a current of 2 A and a resistance of 6 Ω. What is the potential difference? Remember potential difference = current x resistance

6/7

Q7.A computer has a current of 0.75 A and a potential difference of 3.3 V. What is the resistance? Give your answer to 2 significant figures

7/7

# Lesson summary: Resistance

### Time to move!

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

For 5 mins...

Move around:
Climb stairs

On the spot:
Chair yoga

### Take part in The Big Ask.

The Children's Commissioner for England wants to know what matters to young people.