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AP Physics - Electrostatics

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Section 1

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Polarization

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Physics

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Last updated

6 years ago

Date created

Mar 1, 2020

Cards (13)

Section 1

(13 cards)

Polarization

Front

When a charged object is brought near a neutral object, but does not touch, and the charges inside rearrange and separate.

Back

Electrical Forces

Front

Produced by the interaction of the charged particles found in atoms (lightning is an electrical force).

Back

Insulator

Front

Something that does not let electrons flow freely, like plastic, rubber, glass & paper

Back

Electrostatics

Front

The study of electricity at rest (static means "at rest")

Back

Coulomb (C)

Front

The unit of electric charge, abbreviated "C". 1 C of charge contains 6.24 x 10^18 electrons or protons.

Back

Law of Conservation of Charge

Front

Electrons are neither created nor destroyed, they are simply transferred from one material to another!!! Protons always remain in the nucleus!

Back

Coulomb's Law

Front

The equation that calculates the electric force between two charges in relation to distance. The strength (size) of the force is inversely proportional to the distance (as distance increases, force of charge decreases and visa-versa).

Back

Charge by induction

Front

Begins with polarization - charges rearrange and then transfer

Back

Charge by conduction

Front

When a neutral object comes in contact with a charged object, electrons move between the objects, charging them both.

Back

Net charge

Front

The difference between the number of protons and electrons in an atom.

Back

Charge by friction

Front

Electrons move between materials that are in contact, as when electrons are transferred between fur and a rod when they are rubbed together.

Back

Conductor

Front

Something that lets electrons flow through them freely, like metals.

Back

Charge (q)

Front

A property of matter that comes in 2 types: positive (+) and negative (-). It is abbreviated with "q" and the unit of charge is the coulomb (c).

Back