Mains Electricity 2
| First | First | Last | Quiz Score Total | Image 1 | Question 2 | 2a) This wire normally has a potential difference of 0 V. If there is a fault so the casing of the appliance becomes live, this wire carries the current to Earth. This causes the fuse to melt, shutting down the current. | 2b) The job of this wire is to complete the circuit. | 2c) This wire carries the electrical current from the generators and always has a potential difference of around 230 V. This wire can be dangerous even if a switch in the mains circuit is open. | Quiz Percentage Grade |
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| ppefmh | Ed | Garstin | 2/3 | ![]() | Select the correct cable according to the described function. |
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| 67% |
| First | First | Last | Quiz Score Total | Image 1 | Question 2 | 2a) This wire normally has a potential difference of 0 V. If there is a fault so the casing of the appliance becomes live, this wire carries the current to Earth. This causes the fuse to melt, shutting down the current. | 2b) The job of this wire is to complete the circuit. | 2c) This wire carries the electrical current from the generators and always has a potential difference of around 230 V. This wire can be dangerous even if a switch in the mains circuit is open. | Quiz Percentage Grade |
