1-1, 1-2 Electricity And Magnetism Textbook

Front 1

Atoms

Back 1

Made of
-Protons
-Electrons
-Neutrons

Protons have positive charge, electrons have negative charge.
Neutrons are neutral.
Electrons move from atom to atom.
More electrons=Negative charge
More protons=Positive charge

Front 2

Force

Back 2

Attraction between oppositely charged particles.
Same charge=repel each other

Front 3

Electric Fields

Back 3

Area over which an electric charge exerts a force.
Strongest near charged particle.
--See Figure 1-3

Front 4

Law of conservation of charge

Back 4

Charge is never created or destroyed. Charge is transfered from one object to another.

Front 5

Friction Method

Back 5

-Rubbing two objects together causes charge.
-Balloon & hair

Front 6

Conduction Method

Back 6

-Direct contact
-electrons flow from one object to the other
-conductors let charges move freely
-insulators don't

Front 7

Induction Method

Back 7

-rearrangement of electric charges
-neutral comes close to charged
-no contact

Front 8

Static electricity

Back 8

transfer of electrons from one object to another w/o further movement
-buildup of electric charges on an object

Front 9

Elctric discharge

Back 9

the loss of static electricity as electric charges move off an object
-example: lightning

Front 10

lightning rods/grounding

Back 10

put on top of buildings as lightning protection
-earth is good conductor; easily accepts or gives up electric charges
-lightning rods attached to ground through wire
-lightning goes into earth when in contact w/ rod

Front 11

electroscope

Back 11

-detects electric charges
-neutral: leaves together
+/- repel eachother