Electric motors

This lesson explores how a simple electric motor can be made, and the factors affecting the speed of a direct current motor.

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!

Q1.What effect will increasing the number of coils have on the magnetic field strength of an electromagnet?

1/6

Q2.Select from the list below to complete this sentence: If two south poles of a magnet are brought together they will _________ each other.

2/6

Q3.Electromagnets are useful because __________.

3/6

Q4.The north seeking pole of a magnet points to __________.

4/6

Q5.What effect will decreasing the current have on the strength of the magnetic field of an electromagnet?

5/6

Q6.Where is the magnetic field the strongest?

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:

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!

Q1.What effect will increasing the number of coils have on the magnetic field strength of an electromagnet?

1/6

Q2.Select from the list below to complete this sentence: If two south poles of a magnet are brought together they will _________ each other.

2/6

Q3.Electromagnets are useful because __________.

3/6

Q4.The north seeking pole of a magnet points to __________.

4/6

Q5.What effect will decreasing the current have on the strength of the magnetic field of an electromagnet?

5/6

Q6.Where is the magnetic field the strongest?

6/6

Video

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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:

Electric Motors

This quiz will assess you on your knowledge of electric motors as well as information from previous lessons.

Q1.In an electric motor, the two magnetic fields interact and produce a ___________.

1/5

Q2.This force makes the coil _________.

2/5

Q3.What effect will increasing the number of coils have on the magnetic field of an electromagnet?

3/5

Q4.Electromagnets are useful because __________.

4/5

Q5.If two south poles of a magnet are brought together they will _________ each other.

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:

Electric Motors

This quiz will assess you on your knowledge of electric motors as well as information from previous lessons.

Q1.In an electric motor, the two magnetic fields interact and produce a ___________.

1/5

Q2.This force makes the coil _________.

2/5

Q3.What effect will increasing the number of coils have on the magnetic field of an electromagnet?

3/5

Q4.Electromagnets are useful because __________.

4/5

Q5.If two south poles of a magnet are brought together they will _________ each other.

5/5

Lesson summary: Electric motors

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