Electrostatics

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The three subatomic particles are __, __, and __.

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protons, electrons, neutrons

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Protons and Neutrons are in the __.

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nucleus

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Flashcards about Electrostatics.

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37 Terms

1
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The three subatomic particles are __, __, and __.

protons, electrons, neutrons

2
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Protons and Neutrons are in the __.

nucleus

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Electrons are in the .

electron cloud

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More _ = positive.

p+

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More _ = negative.

e-

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Opposite charges __.

attract

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Like charges __.

repel

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Charged objects attract __ objects.

neutral

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Since matter cannot be created or destroyed in a system, __ cannot be created or destroyed in a system either.

charge

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The idea that charge cannot be created or destroyed is called .

charge conservation

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The charge of one electron is numerically equal to __ C.

± 1.60 × 10-19

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C stands for , which is the unit for .

Coulomb, charge

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The Coulomb is named for French physicist .

Charles Coulomb

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The Coulomb is called or charge and is the smallest amount of charge.

fundamental, elementary

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The charge on ANY object is a whole number multiple of the charge on one electron. This is called charge __.

quantization

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Charge comes in quantities, or __ amounts, due to the fact that you can’t divide electrons.

discrete

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Surrounding charged objects is an “area of influence” known as an .

electric field

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Electric forces are described by __ Law.

Coulomb’s

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In Coulomb's Law, q = (in C).

Charge size

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In Coulomb's Law, r = charges (in m).

distance between

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In Coulomb's Law, F = __ (in N).

force

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In Coulomb's Law, k = .

Coulomb’s Constant

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k = __ Nm2/C2.

8.99 × 109

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Positive and negative electric forces describe and forces.

repulsive, attractive

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__—charge flows easily through.

Conductors

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__—charge does not flow through easily.

Insulators

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__ (“semi” means “sometimes”)—Sometimes act like conductors, sometimes act like insulators

Semiconductors

28
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Objects become charged by gaining, losing, or __ electrons.

redistributing

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The 3 Charging Methods are: __, __, and __

Friction, Conduction (or Contact), Induction

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Friction occurs mostly in __.

insulators

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Contact occurs mostly in __ materials.

conductive

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Initially neutral object takes on the __ sign charge as the object it comes into contact with.

same

33
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Induction occurs mostly in __ materials

conductive

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When combined with a grounding step, initially neutral object takes on the __ sign charge as the object it comes close to.

opposite

35
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__ is the process of neutralizing an object’s charge.

Grounding

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is a type of charge induction

Charge Polarization

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Object in which polarization occurs remains __

neutral