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Bananas of o4 unite,
WHOOSH :D
Chairman; Guo Dong
Vice-chairman: Li Qing

♀
01; Ang Man Ling; Band; 26o494'
02; Cao Lei Lei; CO; o11092'
03; Chay Pui Shan; Band; 10o594'
04; Cheryl Lim; CO; o3o894'
05; Cheryl Yeo; NPCC; 15o294'
06; Cindy Ong; Band; o3o294'
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10; Lew Hui Ling; Netball; 18o994'
11; Lim Jia Min; NPCC; 171194'
12; Madeline Koh; SJAB; 18o994'
13; Na Xiao Shuang; Netball; 10o194'
14; Ng Li Qing; Netball; 22o594'
15; Niketa S.K; Science Team; (?)
16; Prisillia Lee; SJAB; 101294'

♂
17; Ang Xiu Zhi; NPCC; 25o394'
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19; Cheong Chong You; SJAB; o6o194'
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26; Benjamen Lim; Science Team; (?)
27; Lim Wei Hao; Science Team; o5o794'
28; Marcus Liau; Volleyball; (?)
29; Ong Yu Bryan; Dragon Boat; 241294'
30; Qian QiKai; Volleyball; o71293'
31; Sim Sze Kai; Dragon Boat; (?)
32; Soh Kin Hiong; NPCC; 24o194'
33; Tan Guo Dong; NPCC; o9o294'
34; Tan Qing Xi; CO; o8o294'
35; Tan Ri Zheng; DMC; (?)
36; Thon Bok Woon; NPCC; 23o994'
37; Victor Chang; Volleyball; (?)
38; Wan Ming Kang; Band; 30o494'
39; Yim Chia Hui; SJAB; (?)
40; Tommy Yuen; Volleyball; (?)





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Physics E-learning Day Worksheet

Instructions : By visiting relevant Physics websites, complete the following questions on Electricity. Provide the URL from where you obtained the information for every question. Once you have completed all the tasks and answered all the questions, upload your completed work to my workbin labeled Sec 2 Phy Special/Express 2008.

Reminder : Your work will be graded and bonus marks will be awarded for your CA based on your submission. So please complete your work diligently and don’t forget to provide all the URL you visited to get the answers for EACH questions.

Have fun exploring and learning…….. J


What are free electrons?

They are the electrons that leave the atom when enough energy is applied. ___________________________________________________________________________
URL: http://www.tpub.com/content/doe/h1011v1/css/h1011v1_31.htm
Explain the relationship of free electrons and current.

The higher the current, the faster the free electrons move. ___________________________________________________________________________
URL: en.wikipedia.org

What is the full name of the scientist that has the S.I unit for current named after him?

André-Marie Ampère. ___________________________________________________________________________
URL: http://en.wikipedia.org/wiki/Ampere

Go to this website http://chem.ch.huji.ac.il/history/ampere.htm and read up on a very famous and important physicist that laid the foundation of electricity.

What is another name for dry cell?

Galvanic electrochemical cell ___________________________________________________________________________
URL: http://en.wikipedia.org/wiki/Dry_cell

Explain the differences between a dry cell and an accumulator.

A dry cell produce electric current through chemical reaction and cannot be recharged while an accumulator stores the electric energy in the forms of chemical energy and it can be recharged.
URL: http://books.google.com.sg/books?id=DHLIXFuQ6SgC&pg=PA13&lpg=PA13&dq=dry+cell+and+accumulator&source=web&ots=FLysQw0dc_&sig=558scxyIEtLajpfWetAp3aQ-wFw&hl=en#PPA13,M1
What is ‘conventional current’?

It is the assuming of current that flows out from positive terminal to the negative terminal. ____________________________________________________________________
URL: http://www.mi.mun.ca/users/cchaulk/eltk1100/ivse/ivse.htm

What is the difference between electron flow and conventional current flow?

Conventional current flow is from positive terminal to negative terminal while the electron flow is the electrons move from the negative terminal to the positive terminal
URL : http://www.mi.mun.ca/users/cchaulk/eltk1100/ivse/ivse.htm

When comparing gold, silver and copper, which is the best conductor of electricity?

Gold__________________________________________________________________________________________________________________________________________________
URL:

How many electrons are there in 1A of current?
18 electrons /s
____________________________________________________________________URL: http://www.ac.wwu.edu/~vawter/PhysicsNet/Topics/DC-Current/Current.html

What does e.m.f stand for?

E.M.F() stands for Electromotive Force. It is the term to characterize electrical device such as voltaic cell and thermoelectric device as well as resistors. _____________________________________________________________________
URL : http://en.wikipedia.org/wiki/Electromotive_force

What does p.d stand for?

It stands for partial discharge. It is a localized dielectric breakdown of a small portion of a solid or liquid electrical insulation system under high voltage stress.
URL: http://en.wikipedia.org/wiki/Partial_discharge

Explain the difference between e.m.f and p.d.

E.M.F is the term to characterize electrical device such as voltaic cell and thermoelectric device as well as resistors while P.D is a localized dielectric breakdown of a small portion of a solid or liquid electrical insulation system under high voltage stress.
URL: http://en.wikipedia.org/wiki/Electromotive_force http://en.wikipedia.org/wiki/Partial_discharge

Go to this website http://library.thinkquest.org/10796/ch14/ch14.htm and read up on series and parallel circuit and complete the quiz.
~End of Worksheet~

!G <*HeadHunter*> The Joker
Use at ur own risk.

9:18 AM