Electric Field Strength STATE VARIABLE Electric Field Strength E

STATE VARIABLE Potential Difference V

STATE VARIABLE Current I

Cross-sectional area of a wire STATE VARIABLE Cross-sectional area of a wire A

STATE VARIABLE Length of a conductor L

STATE VARIABLE Resistivity ρ

Electrostatic constant STATE VARIABLE Electrostatic constant k

STATE VARIABLE Electrical energy W

STATE VARIABLE Power P

STATE VARIABLE charge q

STATE VARIABLE time t

STATE VARIABLE Electrostatic force Fe

STATE THE UNIT Current Amperes or C/s

STATE THE UNIT Potential difference V or J/C

STATE THE UNIT charge C or e

STATE THE UNIT Power Watts (W) or J/s

STATE THE UNIT Resistance Ω or ohms

STATE THE UNIT Resistivity Ωm or ohm-meter

COMPLETE THE TRIANGLE q I t

COMPLETE THE TRIANGLE V I R

COMPLETE THE TRIANGLE W P t

COMPLETE THE TRIANGLE P I V

COMPLETE THE TRIANGLE W V q

[(x-value)(y-value)]/2 Equations to memorize Equation for area of a sloped (triangle) graph Area = 1/2bh or [(x-value)(y-value)]/2

Equation for area of a straight line (rectangular) graph Equations to memorize Equation for area of a straight line (rectangular) graph Area = bh or (x-value)(y-value)

Inverse or inverse square Name the type of relationship represented by the graph Inverse or inverse square “y” does the opposite of “x” “y” does the opposite square of “x”

Direct Name the type of relationship represented by the graph “y” does the same thing as “x”

Direct Square Name the type of relationship represented by the graph “y” does the same thing as “x squared”

Vocabulary or Concept The area where an object feels the force of another object with the same fundamental force carrier Field

Induction (always causes attraction because of temporary polarity) Vocabulary or Concept The process by which the electrons in an object are redistributed due to attraction or repulsion when brought near a charged object. Induction (always causes attraction because of temporary polarity)

Conduction (always like charge) Vocabulary or Concept The process by which two objects obtain the same charge due to contact. Conduction (always like charge)

The rate of energy or work Vocabulary or Concept The rate of energy or work Power

Amount of charge that flows per second Vocabulary or Concept Amount of charge that flows per second Current

The amount of energy (or work done) on each charge Vocabulary or Concept The amount of energy (or work done) on each charge Potential difference

A circuit in which electrons have a choice of paths Vocabulary or Concept A circuit in which electrons have a choice of paths Parallel Circuit

A circuit in which electrons all follow the same path Vocabulary or Concept A circuit in which electrons all follow the same path Series circuit

A device to measure current Vocabulary or Concept A device to measure current Ammeter

A device to measure potential difference Vocabulary or Concept A device to measure potential difference voltmeter

The difficulty and electron has in completing a circuit Vocabulary or Concept The difficulty and electron has in completing a circuit Resistance

Electromagnetic force Vocabulary or Concept Force that acts between an electron and a proton Electromagnetic force

Vocabulary or Concept Measure of energy when working with small charges such as an electron or other elementary charge Electronvolt eV

The base unit for electric charge of a particle. Vocabulary or Concept The base unit for electric charge of a particle. Coulomb

The charge in coulombs of an electron or a proton. Vocabulary or Concept The charge in coulombs of an electron or a proton. 1.6 x 10-19C

The term for the smallest possible quantity of charge on a particle Vocabulary or Concept The term for the smallest possible quantity of charge on a particle Elementary charge

Field lines are represented as arrows that show what a Vocabulary or Concept Field lines are represented as arrows that show what a Positive test particle would do if placed in the field (always move away from + and toward -)

Vocabulary or Concept Magnetic field lines align with the field with arrows that point in the direction of The north end of a compass needle (ie away from north and toward south)

Vocabulary or Concept In order for a charged particle to create a magnetic field, the particle must be moving

Less than the value of the smallest resistor Vocabulary or Concept In a parallel circuit, the equivalent resistance must be Less than the value of the smallest resistor

(alternate for a Joule) State the variable for the alternate unit Volt-Coulomb W=Vq so Work or energy (alternate for a Joule)

R=V/I so Resistance (alternate for an ohm) State the variable for the alternate unit Volt/Amp R=V/I so Resistance (alternate for an ohm)

I=q/t so Current (alternate for and ampere) State the variable for the alternate unit Coulomb/second I=q/t so Current (alternate for and ampere)

V=IR so Potential Difference State the variable for the alternate unit Amp-Ohm V=IR so Potential Difference

State the variable for the alternate unit Joule/second P=W/t so a Watt

E=Fe/q so Electric Field Strength State the variable for the alternate unit Newton/Coulomb E=Fe/q so Electric Field Strength

V=W/q so potential difference State the variable for the alternate unit Joule/coulomb V=W/q so potential difference

Power vs Potential Difference for a fixed Current State the type of relationship Direct, Direct Square, Inverse, Inverse Square Power vs Potential Difference for a fixed Current P=VI so direct

State the type of relationship Direct, Direct Square, Inverse, Inverse Square Power vs Potential Difference for a fixed Resistance (obey’s Ohm’s Law) P=V2/R so direct square

Power vs Resistance for a fixed Current State the type of relationship Direct, Direct Square, Inverse, Inverse Square Power vs Resistance for a fixed Current P=I2R so direct

Current vs Resistance for a fixed potential difference State the type of relationship Direct, Direct Square, Inverse, Inverse Square Current vs Resistance for a fixed potential difference I=V/R so inverse

Resistance vs Length for a fixed material and cross sectional area. State the type of relationship Direct, Direct Square, Inverse, Inverse Square Resistance vs Length for a fixed material and cross sectional area. R=ρL/A so direct

Resistance vs Cross sectional area for a fixed material and Length State the type of relationship Direct, Direct Square, Inverse, Inverse Square Resistance vs Cross sectional area for a fixed material and Length R=ρL/A so inverse

Resistance vs radius for a fixed material and length State the type of relationship Direct, Direct Square, Inverse, Inverse Square Resistance vs radius for a fixed material and length R=ρL/(πr2) so inverse square

Potential difference versus resistance for a fixed current State the type of relationship Direct, Direct Square, Inverse, Inverse Square Potential difference versus resistance for a fixed current V=IR so direct

To convert from elementary charges (electrons or protons) to coulombs. Summarize the skill To convert from elementary charges (electrons or protons) to coulombs. Multiply by 1.6 x 10-19 C

To convert from charge in coulombs to elementary charge State the type of relationship Direct, Direct Square, Inverse, Inverse Square To convert from charge in coulombs to elementary charge Divide by 1.6 x 10-19 C

To convert from energy in joules to energy in electron volts State the type of relationship Direct, Direct Square, Inverse, Inverse Square To convert from energy in joules to energy in electron volts Divide by 1.6 x 10-19 J

To convert from energy in electron volts to energy in joules State the type of relationship Direct, Direct Square, Inverse, Inverse Square To convert from energy in electron volts to energy in joules multiply by 1.6 x 10-19 J

To determine if a charge in coulombs is possible State the type of relationship Direct, Direct Square, Inverse, Inverse Square To determine if a charge in coulombs is possible Eliminate any value less than 1.6 x 10-19 C and for other values divide by 1.6 x 10-19 and eliminate any answers that are not whole #’s