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# AQA Physics PHYA4 - Thursday 11th June 2015 [Exam Discussion Thread] watch

1. (Original post by Disney0702)
What's the difference between magnetic field and electric field.

For some reason I just can't wrap my head around it.
A magnetic field is a field created by a magnetic pole, and its fields lines are conventionally the direction that a free north pole would move.

An electric field is a field created by a charged particle, and its fields lines are conventionally the direction that a free positive test charge would move.

The idea of the two are quite abstract and hard to explain - I certainly can't claim to be an expert. I'm trying to simply force myself to at least regurgitate the textbook.
2. (Original post by CD223)
A magnetic field is a field created by a magnetic pole, and its fields lines are conventionally the direction that a free north pole would move.

An electric field is a field created by a charged particle, and its fields lines are conventionally the direction that a free positive test charge would move.

The idea of the two are quite abstract and hard to explain - I certainly can't claim to be an expert. I'm trying to simply force myself to at least regurgitate the textbook.
Yes the idea is pretty abstract.

Thank you very much for your explanation it actually helped.
3. (Original post by Disney0702)
Yes the idea is pretty abstract.

Thank you very much for your explanation it actually helped.
Oh, well I'm glad it kinda assisted! I'll never fully understand those concepts, but hey! I won't need to after the 11th of June haha.

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4. (Original post by CD223)
Oh, well I'm glad it kinda assisted! I'll never fully understand those concepts, but hey! I won't need to after the 11th of June haha.

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yh you're absolutely right!

Gosh the exam is so close!!!

What course are you planning to do at University?
5. I bought " physics for you" book for revision. Honesty, I haven't had a sufficient time to read through it, so I can't tell you guys about the quality.

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6. (Original post by Disney0702)
yh you're absolutely right!

Gosh the exam is so close!!!

What course are you planning to do at University?
It's too close for comfort :/ Computer Science at Bath - you?

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7. (Original post by Samphosrattana)
I bought " physics for you" book for revision. Honesty, I haven't had a sufficient time to read through it, so I can't tell you guys about the quality.

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Oh nice! Let us know once you get the chance to read it

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8. Just done my mock it was the jun 14 paper. It went so badly time wise. It was frustrating because I knew how to answer things but I just couldn't get them done on time! dreading this exam

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9. (Original post by _Caz_)
Just done my mock it was the jun 14 paper. It went so badly time wise. It was frustrating because I knew how to answer things but I just couldn't get them done on time! dreading this exam

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I'm dreading it too. Physics is my weakest subject. I admire anyone who manages to get an A* because it's impossible to fluke one haha.

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10. (Original post by CD223)
I'm dreading it too. Physics is my weakest subject. I admire anyone who manages to get an A* because it's impossible to fluke one haha.

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I don't know how I'm going to get any quicker all my subjects are just getting in top of me at the moment it sucks :/

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11. (Original post by CD223)
Lucky! Do you think it's worth doing flash cards of previous six markers' mark schemes in case there's a repeat question?

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If you've got the spare time then doing them might be useful (it certainly can't be harmful seeing as they're all points that could come up in shorter questions usually!), but otherwise I think having done them all at least once and gone through the markschemes carefully would be enough - that way you're familiar with them and you can learn the points you didn't know/got wrong.
12. (Original post by _Caz_)
I don't know how I'm going to get any quicker all my subjects are just getting in top of me at the moment it sucks :/

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Ah me too - strength in numbers eh!

Maybe do papers without timed conditions for now?

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13. (Original post by Lau14)
If you've got the spare time then doing them might be useful (it certainly can't be harmful seeing as they're all points that could come up in shorter questions usually!), but otherwise I think having done them all at least once and gone through the markschemes carefully would be enough - that way you're familiar with them and you can learn the points you didn't know/got wrong.
Good idea - I guess doing them over and over is a better approach.

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14. has anyone doe the AQA EMPA yet?
15. (Original post by lion123)
has anyone doe the AQA EMPA yet?
Section A or B? Because people aren't likely to have done section B (I don't think anyone in the country has, as there's only a fortnight window).
16. section A if possible. thanks, i don't have sectionB for a few weeks either
17. (Original post by lion123)
section A if possible. thanks, i don't have sectionB for a few weeks either
Oh. I'm sure a few people have done section A. I did mine before Easter.

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18. [QUOTE=CD223;55044731]Oh nice! Let us know once you get the chance to read it
Sure.😊

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20. (Original post by CD223)
Good idea - I guess doing them over and over is a better approach.

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Even doing them once and keeping a list of the questions to read over would probably cover it! I'm never good at repeating questions/papers, I just get really bored and give up.

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