Solved physics Paper 5??

[SararaIH]

check a textbook,it'll surely be there!

Okay Thanks

 

[lionkill3r]

can some1 draw diagram for question 1
http://papers.xtremepapers.com/CIE/...nd AS Level/Physics (9702)/9702_w09_qp_51.pdf

 

[112]

can some1 draw diagram for question 1
http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Physics (9702)/9702_w09_qp_51.pdf

me too, please?

 

[112]

http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_s12_qp_53.pdf

how to draw diagram? and how to vary speed? like i know i motor is used to rotate it but i dont know how to vary its speed. Anyone please try and help me.

 

[Kinza Zimri]

why do we need AC power sources at some places and DC power sources for the others??
Apart from that when do we need to use EHT and when we should not use it. I mean in one resistivity question (the glass one) we had to use EHT and at another resistivity question (aluminium one) we didnot had to use EHT. Why is that so?

 

[minie23]

9702_w11_qp_53.pdf

How to calculate errors for v² here ? :s

 

[nishan2052]

9702_w11_qp_53.pdf

How to calculate errors for v² here ? :s

(del t * v^2)/t
i think this is right method but i am not confident.

 

[SararaIH]

When we plot points on the graph, is it necessary to draw a circle around each plotted point? Please can someone tell me!

 

[112]

When we plot points on the graph, is it necessary to draw a circle around each plotted point? Please can someone tell me!

yes

 

[112]

anyone oct nov 09 51 ques 1 diagram plz???

 

[biba]

anyone oct nov 09 51 ques 1 diagram plz???

em not sure but:

 

[Iadmireblue]

When we plot points on the graph, is it necessary to draw a circle around each plotted point? Please can someone tell me!

I think it's better to just leave it as a cross ,as most marckschemes say penalize blobs

 

[fb.junks]

fb.junks or magnesium plz tel me how to do whole part e of m/j/11 p52...? ques2

V/E=F/R+1
error of V/E=((error of F/F)+.05)x(V/E) (he fractional error of R is 5/100)

For e part ii)
V/E=e part i answer
E=1.6
So u can find V

 

[fb.junks]

http://papers.xtremepapers.com/CIE/...nd AS Level/Physics (9702)/9702_s12_qp_53.pdf

how to draw diagram? and how to vary speed? like i know i motor is used to rotate it but i dont know how to vary its speed. Anyone please try and help me.

By varying voltage by using variable resistor i think.

 

[SararaIH]

yes

this is confusing because some other people told me that it will be a penalty

 

[fb.junks]

Hello everybody! Can someone please explain what a signal generator is/ does in ters of Q1 of this paper? Just an overall explanation of what it does will be great, thank you!
http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Physics (9702)/9702_w10_qp_51.pdf

It is used to vary frequency of the current.
And is basically used to vary frequency of sound.

 

[SararaIH]

I think it's better to just leave it as a cross ,as most marckschemes say penalize blobs

Instead of a cross, is just a dot allowed?

 

[fb.junks]

Instead of a cross, is just a dot allowed?

A small dot will work

 

[SararaIH]

A small dot will work

Okay Thanks!

 

[lavanyamane]

Can someone please help me with Q.2 (e)? It is really important and I would appreciate help immensely!
http://papers.xtremepapers.com/CIE/...nd AS Level/Physics (9702)/9702_w10_qp_53.pdf