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AQA Physics GCSE P2 & P3 [OFFICIAL THREAD]

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11Jason11
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Feel free to share any suggestions on what could possiblly be on the exam, or any questions you have


AQA Physics P2 & P3 ---Wednesday 20th May 2015
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Pra99
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I bet my house that the 6 marker in p2 will be about stars
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stressthistest
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(Original post by Pra99)
I bet my house that the 6 marker in p2 will be about stars
that would be heaven
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ThatGurl
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(Original post by Pra99)
I bet my house that the 6 marker in p2 will be about stars
That's exactly what I think too although it's been there for a few years now so I'm thinking your house may be lost to someone very soon :/ haha
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Blueyy__
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p3 i think 6 marker will be X-ray(and/or CT scan)/Ultrasound comparison or +/- OR center of mass
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CandyCrush27
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Think there might be a 6 marker on Star Life cycles or Fission and Fusion on P2
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11Jason11
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Yeah, P3 the 6 marker could be comparing X-rays to CT Scans and Ultrasound- idk advantages and disadvantages?
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Blueyy__
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(Original post by 11Jason11)
Yeah, P3 the 6 marker could be comparing X-rays to CT Scans and Ultrasound- idk advantages and disadvantages?
hopefully - would be an easy 6 marker, and nicer than the ones they have given us already in B3/C3
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CandyCrush27
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(Original post by Pra99)
I bet my house that the 6 marker in p2 will be about stars
I doubt it because there was a 5 marker on last years paper about the stars main sequence and how it eventually becomes a black dwarf, and there was a 6 marker on what happens to a star much bigger than our sun as it reaches the end of main sequence on the January 2013 paper , but I do think there may be a question to compare both fission and fusion.
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Pra99
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(Original post by ThatGurl)
That's exactly what I think too although it's been there for a few years now so I'm thinking your house may be lost to someone very soon :/ haha
Haha yeh but they might repeat it to catch people out
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11Jason11
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P2 is so long
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DrNippleson
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Six Mark last year was Transformers which is like a total YAAS because I cannot wrap my head around it. So it's Centre of Mass/Hydraulics/Motor Effect/Medecine
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ThatGurl
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(Original post by Pra99)
Haha yeh but they might repeat it to catch people out
hopefully. I'm gonna revise it fully anyway because if they don't do it for the 6 marker, they're gonna stick it in a 5 marker probably :/
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Blueyy__
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(Original post by DrNippleson)
Six Mark last year was Transformers which is like a total YAAS because I cannot wrap my head around it. So it's Centre of Mass/Hydraulics/Motor Effect/Medecine
yeah. and being as this year they seem to like to have a 6 marker and 5 markers in the same paper, my guess is that lenses will come up for a 5 marker, and/or transformers.
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11Jason11
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Have they done any 6 markers on electricity before?
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Blueyy__
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(Original post by 11Jason11)
Have they done any 6 markers on electricity before?
(p3) - 1 - last years on transformers.
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Lauren-x-
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How does the transformer create a current at the secondary coil? I thought that the magnetic field was continuously expanding and collapsing and a pd was induced at the ends of the secondary coil creating a current but my teacher marked it wrong but that's what it says in one of my books? Confused! Thank you

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Blueyy__
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(Original post by Lauren-x-)
How does the transformer create a current at the secondary coil? I thought that the magnetic field was continuously expanding and collapsing and a pd was induced at the ends of the secondary coil creating a current but my teacher marked it wrong but that's what it says in one of my books? Confused! Thank you

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-(insulated) wires carry a.c. to primary coil

-this produces a changing magnetic field in the iron core

-which produces a magnetic field in the secondary coil

-this induces a alternating pd/voltage across the secondary coil

-so there is a a.c. is in the secondary coil
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11Jason11
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(Original post by Lauren-x-)
How does the transformer create a current at the secondary coil? I thought that the magnetic field was continuously expanding and collapsing and a pd was induced at the ends of the secondary coil creating a current but my teacher marked it wrong but that's what it says in one of my books? Confused! Thank you

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The primary coil is connected to an AC supply. An alternating current passes through a primary coil wrapped around a soft iron core. The changing current produces a changing magnetic field. This induces an alternating voltage in the secondary coil.This induces an alternating current (AC) in the circuit connected to the secondary coil.
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jessm8
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(Original post by CandyCrush27)
Think there might be a 6 marker on Star Life cycles or Fission and Fusion on P2
honestly if aqa are following their 6 marker trend this year i think it'll be on describing and explaining someones results or planning your own experiment just a thought really
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