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Martes, Oktubre 18, 2011

ECE REVIEW

*What part of atom are responsible for electric current?

a. protons
b. electrons
c. neutrons
d. free electrons

5
4
3
2
1
TIMES UP!!!
If you answered letter 'd', well you are right!
Free electrons are any electron that is not attached to an ion, atom, or molecule and is free to move that causes electricity.

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