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    Hey guys!
    I am struggling to revise for Edexcel A level physics unit 3b. Could someone please explain the emf and internal resistor experiment. Please, it would be really helpful.
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    TSR Community Team
    (Original post by sk1998)
    Hey guys!
    I am struggling to revise for Edexcel A level physics unit 3b. Could someone please explain the emf and internal resistor experiment. Please, it would be really helpful.

    Moved this to the Physics forum for you - you're more likely to get an answer here
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    Hi,

    Does anyone have Edexcel AS Physics Unit 3b Notes?
    please reply as soon possible,

    Regards,
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    there you go
    hope it helps
    Attached Files
  1. File Type: docx 3b.docx (663.3 KB, 122 views)
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    I picked these up from another thread
    Attached Images
  2. File Type: pdf Physics Unit 3B.pdf (545.0 KB, 147 views)
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    What do you think will come up tomorrow?
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    Does anyone have the notes of all the experiments?
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    (Original post by iWant.A)
    What do you think will come up tomorrow?
    idk but i hope its youngs modulus or soemthing easier
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    When it asks to state and explain my choice of measuring instrument, when measuring the masses in a young modulus experiment, what is the correct scale for a Weighting balance?
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    (Original post by OnTheHorizon)
    I picked these up from another thread
    Thanks alot man. This was really helpful.
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    (Original post by RAZA1999)
    there you go
    hope it helps
    Thanks alot man... These notes are really helpful.
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    (Original post by Choudhry Walid)
    Thanks alot man... These notes are really helpful.
    no problem
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    How did you guys find it. I thought it was pretty simple. Only thing I'm not sure of is how to keep current constant
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    I wrote with a variable resistor

    How about the other questions?
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    (Original post by iWant.A)
    I wrote with a variable resistor

    How about the other questions?
    I also wrote the variable resistor.
 
 
 
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