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Heyy.. Sorry late reply.... But isn't the diagram shown at qu 23 is galvanometer? Also I don't understand the may/june 2009 no 9b... Any help would be appreciated. Thanks!!look at qu 23 at
http://physics-ref.blogspot.com/2014/10/physics-9702-doubts-help-page-4.html
and SIstudy
solutions for the june 2014 papers are available at http://physics-ref.blogspot.com/2014/05/physics-9702-notes-worked-solutions-for.html
thanks but i am still a bit unsure. does it mean that the resistance between BY BX CX are the same? meaning the total resistance between BY BX CX is the total resistance of the resistors in parallel. is this true?solutions have been posted at
http://physics-ref.blogspot.com/2014/11/9702-june-2009-paper-21-worked.html
umm I don't get itall of them have been explained at
http://physics-ref.blogspot.com/2014/10/9702-june-2010-paper-21-worked.html
okay, i understand it now. thanks a lot for your help.I've added some more details there. See if it helps now, or are you still in doubts?
okay, i understand it now. thanks a lot for your help.I've added some more details there. See if it helps now, or are you still in doubts?
Thanks !!details are available at
http://physics-ref.blogspot.com/2014/09/9702-november-2005-paper-2-worked.html
Oh my Goddi've added more details. be sure to read it carefully. it's good that you clear this before the exam. I hope you identified your mistake
thnxx friend can u tell me on wat topic to focus on i have my alevel physics p4 tomrwi have added the graph at
http://physics-ref.blogspot.com/2014/07/9702-november-2012-paper-41-42-worked.html
Can u please share the link for November 2006 doubtscheck q22 at http://physics-ref.blogspot.com/2014/10/physics-9702-doubts-help-page-4.html
the other should also look at it.
and if anyone can explain it in a more appropriate way, you are welcome to share your explanation
1b. Use formula R=(p*l)/A (p is resistivity, l is length, A is cross-sectional area of wire, use formula A=pi*(0.5*d)^2 R is resistance)http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Physics (9702)/9702_s11_qp_21.pdf
Please help me with Q1 B (i)
and Q5 a (ii) and part b
Area is just either length*width, length*height, or width*height. Since the question asks about the maximum pressure, just select the two shortest sides to be multiplied to obtain maximum pressure.http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Physics (9702)/9702_w11_qp_21.pdf
Q1 c(ii) i don't understand how the area is calculated, please explain :/
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