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AQA Physics PHYA1 - 24 May 2016 - RESIT [Exam Discussion Thread] watch

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    (Original post by Jonah1958)
    For the rms voltage over the heating element i ended getting 229.5V as 0.5v lost to resistance of wires, got a current of about 19A.

    Pretty sure i messed up somewhere
    I think I got 228V so you can't be far off surely? I'm sure they'll be method marks though!
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    (Original post by Jonah1958)
    I got that at first but im pretty sure u had to use 230V rms instead of the peak voltage so i got 4410 2nd time round
    Yeah, you have to use 230
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    (Original post by Jonah1958)
    I got that at first but im pretty sure u had to use 230V rms instead of the peak voltage so i got 4410 2nd time round
    I did the exact same thing as you
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    (Original post by Jonah1958)
    I got that at first but im pretty sure u had to use 230V rms instead of the peak voltage so i got 4410 2nd time round
    but the question said find the power not average power or did I misread the question? I will be gutted if I did lol
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    Did anyone get about 86ohms for last internal resistance question :/
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    (Original post by clarkey500)
    I think I got 228V so you can't be far off surely? I'm sure they'll be method marks though!
    Glad to hear someone else got 228 too. That's what I got
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    I got the exact same. I assumed the wires were in parallel.
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    (Original post by Jonah1958)
    For the rms voltage over the heating element i ended getting 229.5V as 0.5v lost to resistance of wires, got a current of about 19A.

    Pretty sure i messed up somewhere
    I got 229.5v as well but the mucked up the next one and got like 2200000w or something ahaha
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    (Original post by marioman)
    There's another resit PHYA1 in June 2017.
    How come?
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    Did the particle question explicitly say that it was via the weak interaction.
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    (Original post by RUNSran)
    which question did yo guys get 4400 and how? I got 8800 on the first power question
    I got 8800 for the first one too !
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    (Original post by Jonah1958)
    Did anyone get about 86ohms for last internal resistance question :/
    No. Got something different. That seems too high for internal resistance
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    What did everyone get for the last question?
    I got 3.4(3) ohms
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    (Original post by kelvin1338)
    Glad to hear someone else got 228 too. That's what I got
    I suppose that means it probably is... Well hopefully!
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    (Original post by Lazarus26)
    What did everyone get for the last question?
    I got 3.4(3) ohms
    I got 3.6
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    (Original post by Lazarus26)
    What did everyone get for the last question?
    I got 3.4(3) ohms
    Yes!
    Same here
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    ayyy, sounds like the heater question screwed everyone over, I'm glad I'm not alone
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    (Original post by RUNSran)
    but the question said find the power not average power or did I misread the question? I will be gutted if I did lol
    You woulve been right if they asked the max power output but i think they just asked the normal power output
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    (Original post by Mustang Wanted)
    How come?
    For those who started AS in September 2014 and are resitting Year 13.
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    (Original post by Mustang Wanted)
    No. Got something different. That seems too high for internal resistance
    Oh dear :/ how many marks was that question then???
 
 
 
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