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    Hi
    I have a doubt in edexcel physics unit 3B june 2009 paper question5 and the mark scheme also isnt available
    Can u please help me
    Thank u
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    (Original post by Sumaiyya1999)
    Hi
    I have a doubt in edexcel physics unit 3B june 2009 paper question5 and the mark scheme also isnt available
    Can u please help me
    Thank u
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    The answer to this question is A, if u look carefully at the direction of conventional current flow you can see at A the diode is connected in foroward bias also a variable source is needed in order for us to vary the emf and notice the value at whîch thè diode starts to conduct
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    (Original post by -Akuma-)
    The answer to this question is A, if u look carefully at the direction of conventional current flow you can see at A the diode is connected in foroward bias also a variable source is needed in order for us to vary the emf and notice the value at whîch thè diode starts to conduct
    Thank you
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    Youre welcome

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    (Original post by Sumaiyya1999)
    Hi
    I have a doubt in edexcel physics unit 3B june 2009 paper question5 and the mark scheme also isnt available
    Can u please help me
    Thank u
    Name:  Screenshot_2016-05-07-18-19-58.png
Views: 125
Size:  104.7 KB
    the answer in the mark scheme is D i solved this earlier
    https://605600fdb9b4c87e3bb519cd6ec9...%20Physics.pdf
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    (Original post by RAZA1999)
    the answer in the mark scheme is D i solved this earlier
    https://605600fdb9b4c87e3bb519cd6ec9...%20Physics.pdf
    There is actually a mistake in the mark scheme
    The correct ans is A
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    (Original post by Sumaiyya1999)
    There is actually a mistake in the mark scheme
    The correct ans is A
    really?! are you sure?
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    (Original post by RAZA1999)
    really?! are you sure?
    Yes that's actually the ans for 3b even my teacher confirmed it
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    (Original post by Sumaiyya1999)
    Yes that's actually the ans for 3b even my teacher confirmed it
    thank you so much
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    Yes, if u look at the markscheme carefully there were only 4 answers for the MCQs, while there were 5 questions on the actual paper

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