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Electricity and Magnetism - Coggle Diagram
Electricity and Magnetism
Electricity
Materials can become electrically charged
electric charge is a property of matter
static charges are caused by the movement of electrons
charging by contact
how materials affect static charging
charging by induction
charge polarization
technology uses static electricity
charges can move from one place to another
static charges have potential energy
electric potential energy
electric potential
charge movement
lightning
materials affect charge movement
conductors and insulators
resistace
superconductors
grounding
electric current is a flow of charge
electric charge can flow continuously
current voltage and resistance
measuring electrivity
electric cells supply electric current
electrochemical cells
solar cells
circuits and electronics
charge needs a continuous path to follow
electric charge flows in a loop
the parts of a circuit
open and closed circuits
current follows the path of least resistance
short circuits
grounding a circuit
safety devices control current
how fuses work
other safety devices
circuits make electric current useful
circuits are constructed for specific prposes
circuits can have multipile paths
series circuits
parallel circuits
circuits convert electrical energy into other forms of energy
electronic technology is based on circuits
electronics use coded information
binary code
digital information
analog to digital
computer circuits process digital information
intergrated circuits
personal computers
computers can be linked with other computers
the origin of theinternet
the internet today
magnetism
magnetism is a force that acts at a distance
magnets attract and repel other magnets
magnetism
magnetic poles
magnetic fields
some materials are magnetic
inside magnetic materials
temperary and permanent magnets
earth is a magnet
earths magnetic field
magnetism and the atmosphere
current can produce magnetism
an electric current produces a magnetic field
making an electromagnet
electric magnetism
uses of electromagnets
motors use electromagnets
motors
uses of motors
magnetism can produce current
magnetism are used to generate an electric current
generating an electric current
direct and alternating currents
magnets are used to control voltage
generators supply electrical energy
generators provide most of the worlds electrical energy
electric power can be measured
watts and kilowats
calculating energy use