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Ocr B (advancing physics) g491 resit - 24th may 2016 Watch

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    Thought the exam was fairly difficult, probably in the middle. How did everyone do last year UMS wise??
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    IMO, the easiest questions I've seen for a G491..... however, didn't finish the god damn paper.
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    I really thought I had that last question until I pressed = on my calculator and didn't get what it was supposed to equal but by that point I had already accepted that I messed up tbf.
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    (Original post by jezmoulton)
    I loved the whole paper up until the internet question and that last question! I knew all of the circuit equations but I just couldn't get them to work for the given circuits! Anyone else with me on that or did my brain just completely fail me?!
    That sums up how my exam went too! Could someone explain the last question I feel like it should have been easy
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    (Original post by louis9873)
    That sums up how my exam went too! Could someone explain the last question I feel like it should have been easy
    I'm sure you just needed to use emf=ir+v and emf=i(R+r). Then you needed to use p=v^2/R for the to show one power was 1.5 times larger than the other
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    I thought this was quite a nice paper. I'm not entirely certain what you had to do on the internet question, so I ended up finding, globally, the amount of money it costs per person per year to have 1000 server farms, which came to something like £55. Anybody else do that?

    Also, did nobody else giggle when they had to justify not making a glass out of a canoe?!
    I was slightly annoyed by the fact that I had never heard of epoxy resin, and they gave a very vague description as to what it was, but I just imagined it as a glue, and hoped they shared the same material qualities.
 
 
 
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