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# AQA Physics PHYA4 - 20th June 2016 [Exam Discussion Thread] watch

1. Good luck to you all
2. Quick question, probably been asked a few times before:

If they ask to us derive the energy stored by a capacitor, for 3 marks say, how do we gain all 3 marks?
3. (Original post by Patrick Gekko)
Quick question, probably been asked a few times before:

If they ask to us derive the energy stored by a capacitor, for 3 marks say, how do we gain all 3 marks?
Isn't it just Work Done = QV. So Energy stored equals the area under a Q-V or V-Q graph, which equals 1/2 x Q x V?

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4. I'm scared.
5. if people want to do a model answers/unofficial markscheme, I'm going to try and store my answers to the multiple choice in my calculator, ie A=1, B=2 etc., if others do the same we can build up a good idea of whats right or wrong, instead of trying to remember a 25 letter string
6. (Original post by tas1998)
if people want to do a model answers/unofficial markscheme, I'm going to try and store my answers to the multiple choice in my calculator, ie A=1, B=2 etc., if others do the same we can build up a good idea of whats right or wrong, instead of trying to remember a 25 letter string
Let A=1 B=2 C=3 D=4 and you can store a whole 25 letter string in your calculator....

If the string is:

ABDCBDACCDBDCAA

124324133424311

For example... Convert back to letters after and you have your 25 answers

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7. Good luck guyz
8. after fp2, this is the worst exam i'll sit this year.
9. When you only sleep for 3hrs cause the exam got you too worked up.
10. Is gravitational and electric potential added?

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11. (Original post by Euclidean)
Let A=1 B=2 C=3 D=4 and you can store a whole 25 letter string in your calculator....

If the string is:

ABDCBDACCDBDCAA

124324133424311

For example... Convert back to letters after and you have your 25 answers

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My calculator changes anything like longer than 13 numbers to standard form
12. (Original post by tanyapotter)
after fp2, this is the worst exam i'll sit this year.
I'll second that

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13. (Original post by particlestudent)
My calculator changes anything like longer than 13 numbers to standard form
or you could just note down all your answers from 1 to 25 on that little paper slip with your candidate and centre number/name, and take it with you out of the exam?
14. How would you answer a 6 mark question on transformers about heat loss? Like how would you link faraday's law and Lenz's law to it?
15. Loved it, dream paper
16. (Original post by C0balt)
Loved it, dream paper
Did we write the same paper
17. The Multiple choice was tricky. Other than that it was a standard paper
18. Only bad thing about that paper is I expect high boundaries
19. Certainly not easy - the momentum question was difficult

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20. Is it ok if you only filled the pink sheet for the multiple choice? And not the actual booklet

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