Term
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Definition
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Term
| How does charge flow in a circuit? |
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Definition
| Charge flows from positive (higher potential) end to negative (lower potential) end |
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Term
| Kirchhoff's Law: Junction Rule |
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Definition
The sum of currents going into a junction equals the sum of currents leaving the junction
ΣIinto the junction=ΣIout of the junction |
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Term
| Kirchhoff's Law: Loop Rule |
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Definition
Sum of voltage sources equals the sum of voltage drops in a closed-circuit loop
ΣVsources=ΣVdrops |
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Term
| How do factors affect resistors? |
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Definition
Increase in resistivity/length: Increase in resistance and conductance
Increase in surface area: Decrease in resistance and conductance |
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Term
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Definition
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Term
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Definition
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Term
| Voltage of Resistors in Series |
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Definition
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Term
| Resistance of Resistors in Series |
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Definition
Rs=R1+R2+R3+...+Rn
Resistance will always increase as more resistors are added |
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Term
| Voltage of Resistors in Parallel |
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Definition
Vp=V1=V2=V3=...=Vn
Electrons experience the same voltage drop with any path taken |
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Term
| Resistance of Resistors in Parallel |
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Definition
1/Rp=1/R1+1/R2+1/R3+...+1/Rn
Rp=(R1R2...Rn)/(R1+R2+...+Rn)
Resistance will always decrease as more resistors are added |
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Term
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Definition
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Term
| Electric Field of a Capacitor |
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Definition
| E=V/d: where d is the distance between the plates |
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Term
| What is the direction of the electric field in a capacitors? |
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Definition
| Direction of electric field is from positive towards negative plate |
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Term
| Potential Energy Stored in a Capacitor |
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Definition
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Term
| Capacitance of a Capacitor with a Dielectric Material |
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Definition
| C'=kC: where C' is the new capacitance |
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Term
| Dielectrics in Isolated Capacitors |
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Definition
| When a dielectric material is introduced into an isolated capacitor, the increase in the capacitance results from a decrease in the voltage. (The charge with the dielectric material is the same as the charge w/o the dielectric material) |
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Term
| Dielectrics in Circuit Capacitors |
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Definition
| When a dielectric material is introduced into a circuit capacitor, the increase in capacitance arises from an increase in charge. (The voltage with the dielectric material is the same as the voltage w/o the dielectric material) |
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Term
| Capacitance of a Capacitor in Series |
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Definition
1/Cs= 1/C1+1/C2+1/C3+...+1/Cn
Cs=(C1C2C3Cn)/(C1+C2+C3+...+Cn) |
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Term
| Voltage of Capacitor in Series |
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Definition
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Term
| Capacitance of Capacitor in Parallel |
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Definition
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Term
| Voltage of Capacitors in Parallel |
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Definition
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Term
| Circuit of a Resistor in Series |
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Definition
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Term
| Circuit of Resistor in Parallel |
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Definition
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