| ppefmh | Ed | Garstin | 2/5 | In the UK, electrical appliances are connected to the power supply using a three core cable. This is show in the diagram below. |  |
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The wires in the cable are made from copper because it a very good conductor of electricity.
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The wires in the cable are made from copper because it a very bad conductor of electricity.
-
The wires in the cable are made from copper because it a very good insulator of electricity.
|
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Because plastic does not conduct electricity. You need the protective layer to stop the live wire touching the neutral and earth wires.
-
Because plastic does conduct electricity. You do not need a protective layer to stop the live wire touching the neutral and earth wires.
-
Because plastic does not conduct electricity. You do not need the protective layer to stop the live wire touching the neutral and earth wires.
| Select the correct wire that corresponds with the colour of their protective coating. |
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Live
-
Neutral
-
Earth
|
-
Live
-
Neutral
-
Earth
|
-
Live
-
Neutral
-
Earth
| 40% |
| ppefmh | Ed | Garstin | 2/5 | In the UK, electrical appliances are connected to the power supply using a three core cable. This is show in the diagram below. | |
-
The wires in the cable are made from copper because it a very good conductor of electricity.
-
The wires in the cable are made from copper because it a very bad conductor of electricity.
-
The wires in the cable are made from copper because it a very good insulator of electricity.
|
-
Because plastic does not conduct electricity. You need the protective layer to stop the live wire touching the neutral and earth wires.
-
Because plastic does conduct electricity. You do not need a protective layer to stop the live wire touching the neutral and earth wires.
-
Because plastic does not conduct electricity. You do not need the protective layer to stop the live wire touching the neutral and earth wires.
| Select the correct wire that corresponds with the colour of their protective coating. |
-
Live
-
Neutral
-
Earth
|
-
Live
-
Neutral
-
Earth
|
-
Live
-
Neutral
-
Earth
| 40% |
| ppefmh | Ed | Garstin | 1/5 | In the UK, electrical appliances are connected to the power supply using a three core cable. This is show in the diagram below. | |
-
The wires in the cable are made from copper because it a very good conductor of electricity.
-
The wires in the cable are made from copper because it a very bad conductor of electricity.
-
The wires in the cable are made from copper because it a very good insulator of electricity.
|
-
Because plastic does not conduct electricity. You need the protective layer to stop the live wire touching the neutral and earth wires.
-
Because plastic does conduct electricity. You do not need a protective layer to stop the live wire touching the neutral and earth wires.
-
Because plastic does not conduct electricity. You do not need the protective layer to stop the live wire touching the neutral and earth wires.
| Select the correct wire that corresponds with the colour of their protective coating. |
-
Live
-
Neutral
-
Earth
|
-
Live
-
Neutral
-
Earth
|
-
Live
-
Neutral
-
Earth
| 20% |
| ppefmh | Ed | Garstin | 3/5 | In the UK, electrical appliances are connected to the power supply using a three core cable. This is show in the diagram below. | |
-
The wires in the cable are made from copper because it a very good conductor of electricity.
-
The wires in the cable are made from copper because it a very bad conductor of electricity.
-
The wires in the cable are made from copper because it a very good insulator of electricity.
|
-
Because plastic does not conduct electricity. You need the protective layer to stop the live wire touching the neutral and earth wires.
-
Because plastic does conduct electricity. You do not need a protective layer to stop the live wire touching the neutral and earth wires.
-
Because plastic does not conduct electricity. You do not need the protective layer to stop the live wire touching the neutral and earth wires.
| Select the correct wire that corresponds with the colour of their protective coating. |
-
Live
-
Neutral
-
Earth
|
-
Live
-
Neutral
-
Earth
|
-
Live
-
Neutral
-
Earth
| 60% |
