Science

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Measuring resistance

This lesson focuses on identifying variables in the measuring resistance practical and how we can appropriately display our results. We will then describe and explain the effect of a length of wire on resistance

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.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

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.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

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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:

Measuring Resistance

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

Q1.Select the correct equation for ohm's law (where 'x' represents multiply and '/' represents divide).

1/6

Q2.A bulb has a current of 3.2 A and a resistance of 4 Ω. What is the potential difference? Give your answer to 2 significant figures

2/6

Q3.Select the factors that INCREASE resistance in a wire (Tick 3 boxes)

Select three (3) boxes

3/6

Q4.A student wants to measure how temperature affects resistance of a wire. Identify the independent variable.

4/6

Q5.A student wants to measure how temperature affects resistance of a wire. Identify the dependent variable.

5/6

Q6.A student wants to measure how temperature affects resistance of a wire. Identify the control variable.

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:

Measuring Resistance

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

Q1.Select the correct equation for ohm's law (where 'x' represents multiply and '/' represents divide).

1/6

Q2.A bulb has a current of 3.2 A and a resistance of 4 Ω. What is the potential difference? Give your answer to 2 significant figures

2/6

Q3.Select the factors that INCREASE resistance in a wire (Tick 3 boxes)

Select three (3) boxes

3/6

Q4.A student wants to measure how temperature affects resistance of a wire. Identify the independent variable.

4/6

Q5.A student wants to measure how temperature affects resistance of a wire. Identify the dependent variable.

5/6

Q6.A student wants to measure how temperature affects resistance of a wire. Identify the control variable.

6/6

Lesson summary: Measuring resistance

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