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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)