Filament lamps

In this lesson we will be learning about the relationship between current, potential difference and resistance in a filament lamp. We will also be looking at its I-V graph.

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

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.Revision: 10 C of charge flow through a resistor in 4 seconds. What is the current?

1/5

Q2.6 A flows through a resistor and it is measured to have a potential difference of 1.2 V across it. What is its resistance?

2/5

Q3.How do we measure negative values of current and potential difference

3/5

Q4.On an I-V graph what does the straight line represent?

4/5

Q5.What is an ohmic component?

5/5

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

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.Revision: 10 C of charge flow through a resistor in 4 seconds. What is the current?

1/5

Q2.6 A flows through a resistor and it is measured to have a potential difference of 1.2 V across it. What is its resistance?

2/5

Q3.How do we measure negative values of current and potential difference

3/5

Q4.On an I-V graph what does the straight line represent?

4/5

Q5.What is an ohmic component?

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.

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:

Filament Lamps

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

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Q1.Revision: Which of these components is designed to break the circuit, if the current becomes too high?

1/6

Q2.When measuring the resistance of a lamp, which component (which is placed in series) varies the current in the circuit?

2/6

Q3.What happens to the brightness of the lamp as the potential difference is increased?

3/6

Q4.On a normal I-V graph what does a steep line represent?

4/6

Q5.Why does the resistance increase as the potential difference increases for a lamp?

5/6

Q6.If a current of 1.2 A passes through a lamp, and it has a potential difference of 18 V across it. What is the resistance of the lamp?

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:

Filament Lamps

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

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Q1.Revision: Which of these components is designed to break the circuit, if the current becomes too high?

1/6

Q2.When measuring the resistance of a lamp, which component (which is placed in series) varies the current in the circuit?

2/6

Q3.What happens to the brightness of the lamp as the potential difference is increased?

3/6

Q4.On a normal I-V graph what does a steep line represent?

4/6

Q5.Why does the resistance increase as the potential difference increases for a lamp?

5/6

Q6.If a current of 1.2 A passes through a lamp, and it has a potential difference of 18 V across it. What is the resistance of the lamp?

6/6

Lesson summary: Filament lamps

It looks like you have not completed one of the quizzes.

To share your results with your teacher please complete one of the quizzes.

Time to move!

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

For 5 mins...

Move around:
Walk

On the spot:
Dance

Take part in The Big Ask.

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

Share your views and have your voice heard.

The next lesson in Electricity (FT) is "Diodes"

Browse Oak's lessons: