Electricity AP Physics 2 Review

Electricity AP Physics 2 Review

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Section 1

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Voltage (volt)

Front

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Last updated

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Date created

Mar 1, 2020

Cards (34)

Section 1

(34 cards)

Voltage (volt)

Front

Measures electric potential (1V = 1 J/C)

Back

electric current

Front

any flow of charge in continuous conducting path between the terminals of a battery

Back

Electric Field

Front

E=F/q (force per unit charge)

Back

time constant

Front

time constant=RC (how fast a capacitor charges/discharges)

Back

parallel circuit

Front

current from a source splits into separate paths

Back

Field

Front

extends outward from a charge in all directions

Back

Polar

Front

charge is not distributed equally but is neautral Having a pair of equal and opposite charges.

Back

Ohm

Front

1 ( )=1V/A, measures resistance

Back

Kirchhoff's Loop Rule(second rule)

Front

sum of all changes in potential around any closed loop of a circuit must equal zero

Back

elementary charge

Front

the smallest unit of electric charge that is possible in ordinary matter. e=1.602x10^-19C

Back

circuit containing capacitors in parallel

Front

Ceq=C1+C2+...+Cn

Back

Electric Charge

Front

fundamental property of matter, positive and negative, protons and electrons

Back

Superposition Principle

Front

net force on any one charge will be vector sum of forces due to each of the other

Back

RC circuit

Front

circuits with capacitors and resistors

Back

Electric potential due to point charge

Front

V=kQ/r

Back

electric power

Front

the rate at which electrical energy is converted to another form of energy

Back

Capacitor

Front

a device that can store electric charge and consists of two conducting objects placed near each other but not touching.

Back

ampere

Front

(amp) 1A=1C/s measures current

Back

series circuit

Front

two or more resistors/capacitors connected end to end along a single path

Back

circuit containing capacitors in series

Front

1/Ceq=1/C1+1/C2+...+1/Cn

Back

circuit

Front

continuous conducting path between the terminals of a battery

Back

Electric potential

Front

Electric potential energy per unit charge Va=PEa/q

Back

Coulomb

Front

(C) SI unit of charge

Back

watt

Front

unit for power (1W=1J/s)

Back

Ion

Front

atom that loses or gains electrons

Back

resistor

Front

used to control the amount of current in a circuit

Back

Equipotential lines

Front

Points along lines are at the same potential

Back

Farad

Front

F (unit for capacitance)1F=1C/V

Back

law of conservation of electric charge

Front

no net electric charge can be created or destroyed

Back

Ohm's Law

Front

V=IR I=V/R

Back

Coulomb's Law

Front

F=kQ1Q2/r^2 (k=8.988x10^9Nm^2/C^2)

Back

Potential difference

Front

Difference in electrical potential between two regions Vba=Vb-Va=PEb-PEa/Q=-Wba/q

Back

Kirchhoff's Junction Rule(first rule)

Front

sum of all currents entering the junction must equal the sum of all currents leaving the junction

Back

Capacitance

Front

Coulombs per volt in a capacitor (C) Q=CV

Back