Course at ETH
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What is an electron?
a subatomic particle with a negative elementary electric charge
When is an object negatively charged?
If it has an excess of electrons
SI unit of electic charge?
What is the electric charge?
A fundamental conserved property of some subatomic particles, which determines their electromagnetic interaction.
e (elementary charge) is approximately how big?
What is the charge of a proton / electron?
What is a electric field ?
a vector field assigning a magnitude and direction to eac point in space
Formula for an electric field E?
E = F/q
F is electric force experienced by the particle(N)
q is its charge
E is the electric field wherein the particles is located
(N/C = V/m)
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