Home
Subjects
Explanations
Create
Study sets, textbooks, questions
Log in
Sign up
Upgrade to remove ads
Only $2.99/month
Electric Circuits: AP Physics 2
STUDY
Flashcards
Learn
Write
Spell
Test
PLAY
Match
Gravity
very hard
Terms in this set (21)
dielectrics in capacitors
insulating material between capacitor plates
increase capacitance
decrease electric field
equivalent resistance in parallel
1/Req = 1/R1 + 1/R2 + 1/R3
total resistance decreases and current increases , like increasing the area (versus series)
equivalent resistance in series
Req = R1 + R2 + R3
total resistance increase and current decreases, like increasing the length (versus parallel)
Ohm's Law
ΔV=IR
resistivity
a material's opposition to the flow of electric current. p=RA/L
internal resistance
resistance of a battery (not ideal)
ΔVbatt=ε-Ir
current
flow of charge measured in Amperes. I=ΔQ/Δt
current in a series circuit
the same everywhere
current in a parallel circuit
shared between branches
Loop Rule
the Sum of changes in potential (voltage) around a closed loop is zero
Junction Rule
the sum of all currents entering a junction must equal the sum of the currents leaving (conservation of charge)
Power (related to "brightness")
P=IΔV or P=((ΔV)^2)/R
electromotive force (emf)
ε
capacitor
stores charge-- becomes fully charged when its potential difference is equal to the battery's (i think)
dielectric constant
ratio of field magnitude w/o dielectric to field magnitude inside dielectric
equivalent capacitance in parallel
Ceq = C1 + C2 + C3 + ...
equivalent capacitance in series
1/Ceq = 1/C1 + 1/C2 + 1/C3 + 1/...
capacitors at t=0
uncharged and circuit acts like it's not present (so if it's on lone path, current would want to flow through it bc least resistance)
ΔVbatt=ε-Ir
parallels
y=mx+b
ΔV=-rI+ε
non-ohmic
resistance not constant, usually through temperature change. graph of ΔV vs I would not be linear for deez
variable circuit components
values can change
Sets found in the same folder
PHYSICS: ThermodynamicsAP, AP Physics 2…
57 terms
AP Physics 2 - Electrostatics and Electr…
35 terms
AP Physics 2 Unit 1: Fluids
22 terms
Magnetism Review AP Physics 2
25 terms
Sets with similar terms
Physics Electric Circuits
63 terms
MCAT Physics: Unit 8; DC and AC Circuts
43 terms
Physics AQA- Electricity
72 terms
Physics Chapter 6: Circuits
52 terms
Other sets by this creator
AP Physics 2- Unit 5: Magnetism & Electr…
17 terms
AP Calc BC: 8.1-8.5 Quiz
21 terms
Econ - Chapter 1
20 terms
AP Calculus BC: Chapter 9 Assessment
18 terms