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# Edexcel IAL Physics Unit 3 WPH03 May June 2016 Discussion Watch

1. Wat about temperature may not be constant
2. (Original post by jannz)
Wats ur guys opinion about the grade boundaries.....??how many marks may be 4 A
I think 30-35 for A
3. (Original post by jannz)
Wat about temperature may not be constant
Temperature affects resistance. As temperature in the wire increases the ressitance increase because particals are colliding more frequently.
I am not very sure about temperature being not constant as an error. When I think about it, maybe but I'm not very sure.
4. (Original post by Sumaiyya1999)
I think 30-35 for A
Until now the highest grade boundary for an A is 33 (in my knowledge, may be I'm wrong). What i know is that it can be 33 but not more than 34 if its more than 34 then it will be a nightmare for everyone!
5. (Original post by jannz)
Well thats gr8. In the last question for the assumption of resistivity i worte two points
1. Temperature may not be constant
2. Terminal velocity not reached
So can any 1 of these be correct......there shouldnt be parallex error r8 coz they mentioned that our calculation is correct doesnt that mean there is no parallex error in our calculation????
It says CALCULATION is correct..... It does not say MEASUREMENTS are correct...so we can write PARALLAX errors ( i wrote parallax errors when measuring length)
6. (Original post by mira99)
who's taking bio chem phy and math ??
MEEE !!!
7. Can anyone tell if we can do A2 privately after completing AS in school?
8. (Original post by Ahmed3651998)
Can anyone tell if we can do A2 privately after completing AS in school?
And.... What did everyone write for the critics?
I wrote that few readings taken at least six and lack of accuracy in the values of length as they are in meters (not in centimeters or millimeters).
9. (Original post by jannz)
Well thats gr8. In the last question for the assumption of resistivity i worte two points1. Temperature may not be constant2. Terminal velocity not reachedSo can any 1 of these be correct......there shouldnt be parallex error r8 coz they mentioned that our calculation is correct doesnt that mean there is no parallex error in our calculation????
(Original post by NNB_Herath)
It says CALCULATION is correct..... It does not say MEASUREMENTS are correct...so we can write PARALLAX errors ( i wrote parallax errors when measuring length)
Terminal velocity is not even related to this experiment.

Basically systematic errors would be accepted.
10. Actually i saw in other past papers and got confused....anyways thnx..
So hows ur guys prep on phy unit 1....any tips.....
11. Any unnoficial mark scheme out yet?
12. Yeah I'll be giving computer science today.

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