Diodes

In this lesson we will be learning about diodes. We will also be exploring the idea of conventional current.

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

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:

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

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

Video

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Worksheet

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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:

Diodes

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: Two identical resistors (10 ꭥ) are connected in series. What will be their total resistance?

1/6

Q2.Revision: A cell in a parallel circuit has a potential difference of 12 V. What will be the potential difference across each branch?

2/6

Q3.What does this electrical symbol represent?

3/6

Q4.What does LED stand for?

4/6

Q5.In which direction is conventional current said to flow?

5/6

Q6.What is the threshold voltage?

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:

Diodes

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: Two identical resistors (10 ꭥ) are connected in series. What will be their total resistance?

1/6

Q2.Revision: A cell in a parallel circuit has a potential difference of 12 V. What will be the potential difference across each branch?

2/6

Q3.What does this electrical symbol represent?

3/6

Q4.What does LED stand for?

4/6

Q5.In which direction is conventional current said to flow?

5/6

Q6.What is the threshold voltage?

6/6

Lesson summary: Diodes

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