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You searched for "electric charge"
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Search results on physics.org
Why does my car door give me electric shocks?
How do brewers use fish bladders to make a clearer beer?
Three alternative ways to charge your iPod
What is the Higgs Boson?
Cutting the cord - Wireless electricity
How do solar cells work?
What causes the Earth's magnetic field?
What is antimatter?
How do speakers work?
Who is Stephen Hawking?
What are fuel cells?
How do 'invisibility cloaks' work?
Why is there more matter than antimatter?
Dendronautics - A bird's eye view
Windbelt - Reinventing wind power
CSI: Geophysics
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Showing 11 - 20 of 91
Showing 11 - 20 of 91
Gauss' Law
The total of the electric flux out of a closed surface is equal to the charge enclosed divided by the permittivity.
Hits: 1332
Lorentz Force Law
Both the electric field and magnetic field can be defined from the Lorentz force law. The electric force is straightforward, being in the direction of the electric field if the charge q is positive, ...
Hits: 2455
Ridiculously Sensitive Charge Detector
Using a Field Effect Transistor (FET) to detect external electric fields. A circuit is built and tested.
Hits: 1910
Cyclotron
The cyclotron was one of the earliest types of particle accelerators, and is still used as the first stage of some large multi-stage particle accelerators. It makes use of the magnetic force on a ...
Hits: 1399
Voltage
Voltage is electric potential energy per unit charge, measured in joules per coulomb ( = volts).
Hits: 1927
Coulomb's Law
Like charges repel and unlike charges attract. Information on coulomb's law and links to related information.
Hits: 1110
The Millikan Oil-Drop Experiment
PDF of Experimental notes for the Millikan electric charge experiment, as originally carried out in 1913.
Hits: 1354
Retard Physlet
The Retard Physlet shows the time development of electric fields from an accelerating charge.
Hits: 462
Biot-Savart Law
The Biot-Savart Law relates magnetic fields to the currents which are their sources. In a similar manner, Coulomb's law relates electric fields to the point charges which are their sources.
Hits: 1336
How electric guitar pickups work
HowStuffWorks article on electric guitars and how they use magnetic coils to translate sound into an electrical signal.
Hits: 4647
Showing 11 - 20 of 91