DC and AC Supply 1 – Hollms School

First	First	Last	Quiz Score Total	Question 1	1a) The electrical supply from a cell is an example of ............ current.	1b) This is because the current moves in ............ direction only.	1c) The ............ does not change.	1d) Mains electricity us an ............ current.	1e) With AC, the current ............ direction many times every second.	1f) The potential difference ............ and falls.	1g) The benefit of AC is that we can use a ............ to easily change the potential difference of the supply.	1h) Mains electricity has a frequency of ............	1i) Mains electricity has a potential difference of around ............	Quiz Percentage Grade
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First	First	Last	Quiz Score Total	Question 1	1a) The electrical supply from a cell is an example of ............ current.	1b) This is because the current moves in ............ direction only.	1c) The ............ does not change.	1d) Mains electricity us an ............ current.	1e) With AC, the current ............ direction many times every second.	1f) The potential difference ............ and falls.	1g) The benefit of AC is that we can use a ............ to easily change the potential difference of the supply.	1h) Mains electricity has a frequency of ............	1i) Mains electricity has a potential difference of around ............	Quiz Percentage Grade