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15 Cards in this Set

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Voltmeter
attaches in parallel
ammeter
attaches in series
series
single path for current
It= I1=12=I3
Vt= V1+V2+V3
Rt= R1+R2+R3
parallel
2 or more paths
It= I1+I2+I3
Vt= V1=V2=V3
Rt=(1/R1+1/R2+1/R3)^-1
Ohm's law
I=V/R
Resistance
length-R^ as L^
cross-sectional area-Rv as A^
temperature- R^ as T^
natural resistiviity om materals

R=p(L/A)
drift velocity
speed of electrons in electricity
Electric potential energy
EPe=Kc(q1q2)/r
=-qEd
Electric potential differance
Voltage
V=Epe/q
electric current
amperage
I=q/t
Coulomb's law
F=K(q1q2)/d^2
induction
opposite charge than rod
conduction
same charge as rod
Law of electrostatics
similars repel
opposites attract
slectric current
flowing e- => magnetic field =>magnet (electromagnet)