Case study of James West

This lesson focuses on the integral role Dr James West had on the development of the electret microphone.

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.Which of the following devices converts an electrical current into sound waves?

1/5

Q2.What is created when a current flows through a wire?

2/5

Q3.Which of the following can't be found inside a microphone?

3/5

Q4.Which of the following devices converts sound waves into an electrical current?

4/5

Q5.Which part of the ear can be found between the ear canal and the ossicles?

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.Which of the following devices converts an electrical current into sound waves?

1/5

Q2.What is created when a current flows through a wire?

2/5

Q3.Which of the following can't be found inside a microphone?

3/5

Q4.Which of the following devices converts sound waves into an electrical current?

4/5

Q5.Which part of the ear can be found between the ear canal and the ossicles?

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:

Case study

This quiz will test your knowledge from today's lesson and your prior learning.

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.What was the name of the scientist who invented the electret microphone?

1/5

Q2.Which of the following is a use of the electret microphone?

2/5

Q3.What does a microphone do?

3/5

Q4.What is the average speed of sound in air?

4/5

Q5.Which of the following reasons made the electret microphone so popular?

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:

Case study

This quiz will test your knowledge from today's lesson and your prior learning.

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.What was the name of the scientist who invented the electret microphone?

1/5

Q2.Which of the following is a use of the electret microphone?

2/5

Q3.What does a microphone do?

3/5

Q4.What is the average speed of sound in air?

4/5

Q5.Which of the following reasons made the electret microphone so popular?

5/5

Lesson summary: Case study of James West

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