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Electricity and Magnets: Conduction
Apricot Conductors
Voltage and current
temperature and resistance
Electrolytes
buzzing bulbs
salt water conducts
free electron theory
length of wire and resistance
a nichrome thermometer
Watts and Volts
electrolytic conductance
bulbs in series
citrus conductance
Amazing Silver
metallic conduction
Electron beam in a vacuum
Cool Current
Magnetism, Electricity, and Stuff that doesnt Conduct
Resistance
Electrical resistance of Table Salt
Copper vs. Nichrome
age resistance
Things affecting resistance
choke dissipation
dielectric
Electrical insulators conducting magnetic fields
insulator and grounding
How do Variable Resistors work?
can magnets do work?
plasma and electricity
resistance of stretched wire
nickel-chrome in metal detector
resistance vs. temperature
ozonated distilled water
Shielding low frequency microwaves
Why dipole moment always from negative to positive charge?
electrical conductivity of silk
magnetoresistance of saltwater?
measuring conductivity with a light bulb
Electromagnetic properties of gold
frozen power lines
Thin and thick wires
Ohm's law and time reversal
resistance of ideal voltmeter
Electromagnetic shielding with concrete
Why continuous current flow?
Heating a barn with a solar panel
Zero field inside a conductor?
impedance matching solar cells
Why reverse bias a photodiode?
Does current take the path of least resistance?
magnets, microwaves, and conductors
why use multiple-strand wires?
Human body resistance
gapless electrons in graphene
blocking a wire with a field
negative Thomson effect
four-probe conductivity measurement
semiconductor Fermi levels
constant current in resistors
no-hands ipod screen
conductive carbon fiber
lightbulb power: not homework
voltage on radioactive power source
finding gold with magnets
current density in London equation
Does distilled water conduct electricity?
Is the electric field in a conductor really zero?
Transmission of an A/C voltage along a cable
heating in a superconducting circuit
Why is the net charge on a conducting solid body always on the surface?
Thermal and Electrical Conduction
What is the dielectric constant of plastic?
induction heating
spotting small polarons
Temperature dependence of a carbon resistor
voltage in a short-circuit
waves of electricity
Resistance in a DC circuit.
Why can't microwaves escape from the oven?
copper-aluminum connections
resistivity vs. temperature
is electricity in wires?
Water vs. Ice as Conductors
bottlenecks to flow
superconductor critical current density
Difference between dissipated and useful power
Why does the bulb get hot & the wire stay cool?
theremin principles
depletion regions
electron hopping
Conductivity of gold and applications?
Can an electron move in vaccum?
Why don"t birds get shocked?
measuring free electron density
Electrical and heat conductivity
Thick wire versus thin wire?
visualizing metallic conductivity
electron flow
toward electrocution
Electrical earth grounds
paper insulator?
Electrons and anode current
Ohm's law still okay
magnetoresistance
The human body is not a superconductor
water conducts
hot electromagnets
electrons and holes
Plenty of electrons
measuring salt concentration
plastic dielectric
Electrons moving in conductors
Wire resistance
conducting salt water
copper wires
Water + Electricity = ?