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