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PHYS-143 Week 1 Questions And Answers Latest Update $14.99   Add to cart

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PHYS-143 Week 1 Questions And Answers Latest Update

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PHYS-143 Week 1 Questions And Answers Latest Update

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  • November 2, 2024
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PHYS-143 Week 1 Questions And
Answers Latest Update
How many charges are there? ANS✔✔ 2; positive and negative. (Q)
represents a total charge and (q) represents an individual charge


Can charges be quantified in any numeric value? ANS✔✔ No, it is quantized
in terms of (e): magnitude of electron charge (1.6e-16) Coulumb


What is the SI unit of charge? ANS✔✔ Coulomb, C


Net Charge Equation (Qnet) ANS✔✔ Qnet = Npe - Nne (where Npe is # of
positive charges and Nne is # of negative charge)


Atoms and Ions, what is neutral and what is not? ANS✔✔ Atoms are
definitively neutral, Ions always have a net (+) or net (-) charge due to losing
or gaining electrons.


What is a Conductor? ANS✔✔ Electrons and similar charges are free to
move spatially, protons do NOT move (e.g. copper)


What is an insulator? ANS✔✔ Charges do NOT move around freely (e.g.
wood, rubber, glass)


Can charges transfer from physical contact? ANS✔✔ Yes, this is called
charging by conduction

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