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12 Cards in this Set

  • Front
  • Back
electric field has _ and _
magnitude and direction
define vector quantity
an electric field picture like <-(+)->
what must there be for charge to flow?
potential difference
define conduction electrons
those that move freely through atom network
what is the unit for electric current?
amps
voltage causes
current
what is resistance measured in?
ohms
current=
voltage/resistance
does charge flow into or through a curcuit?
through
define electromagnetic induction
when electromagnetic induction is inducing voltage by charging the magnetic field around a conductor
define Faradays law
the induced voltage in a coil is = to the # of loops and the rate at which magnetic fields change within loops
electricity is a form of _
energy