Terms : Hide Images
| 5492176133 | Current | flow of positive charge per second. units are amperes (coulombs per second) | 0 | |
| 5492176134 | Resistance | how difficult it is for charge to flow through a circuit element. measured in ohms | 1 | |
| 5492176135 | Resistivity | implies what resistance would be of a particular amount of a particular material | 2 | |
| 5492176136 | Voltage | electrical potential energy per unit charge | 3 | |
| 5492176137 | series | connected in a single path | 4 | |
| 5492176138 | parallel | path divides then comes immediately back together | 5 | |
| 5492176139 | Coulomb's law | F = k[q1q2]/(d^2) | 6 | |
| 5492176140 | current flows... | out of battery at positive side and into battery at negative side | 7 | |
| 5492176141 | resistance of wire | R = (pl)/A | 8 | |
| 5492176142 | series resistors | current: same for all of them, equal to total current through series combination voltage: different for each but adds to the total voltage across series combination | 9 | |
| 5492176143 | parallel resistors | voltage: same for each, equal to total voltage across parallel combination current: different for each, add to total current across parallel combination | 10 | |
| 5492176144 | Ohm's Law | V = IR | 11 | |
| 5492176145 | Kirchoff's junction rule | current entering a wire junction equals current leaving the wire junction (conservation of charge) | 12 | |
| 5492176146 | Kirchoff's loop rule | sum of voltage changes around a circuit loop is zero (conservation of energy) | 13 | |
| 5492176147 | power dissipated by a resistor | P = IV = (I^2)R= (V^2)/R | 14 | |
| 5492176148 | bulb brightness depends on... | only power dissipated by bulb | 15 | |
| 5492176149 | voltmeter | measures voltage aka potential difference in order to measure voltage across a resistor, you must put the voltmeter in parallel with the resistor | 16 | |
| 5492176150 | ammeter | measures current in order to measure current through a resistor, connect ammeter in series with that resistor | 17 | |
| 5492176151 | Work | transfer of energy that is only done on an object when a force is applied that causes the object to be displaced | 18 | |
| 5492176152 | Positive work | work speeds up an object | 19 | |
| 5492176153 | Negative work | work slows down an object | 20 | |
| 5492176154 | Energy | The capacity to do work | 21 | |
| 5492176155 | Kinetic Energy | the energy associated with an object in motion | 22 | |
| 5492176156 | Work Kinetic energy theorem | relates the kinetic energy of an object to the work that that can be done as the object changes speed | 23 | |
| 5492176157 | Potential energy | stored energy | 24 | |
| 5492176158 | Gravitational Potential Energy | the energy stored in an object due to its position relative to a source of gravity | 25 | |
| 5492176159 | Elastic Potential Energy | the energy stored in a spring that has been stretched or compressed | 26 | |
| 5492176160 | K | force constant that measures a spring's strength | 27 | |
| 5492176161 | X | distance a spring has been stretched or compressed | 28 | |
| 5492176162 | Conserved | the amount remains constant though the form may change | 29 | |
| 5492176163 | Mechanical Energy | all forms of energy that contribute to the motion of an object | 30 | |
| 5492176164 | Power | the rate at which work is done or the rate of energy transfer via any method | 31 | |
| 5492176165 | law of electrostatics states | objects that are similarly charged repel each other; objects that are oppositely charged attract each other. | 32 | |
| 5492176166 | negatively charged object | a net excess of electrons . | 33 | |
| 5492176167 | positively charged object | has a net deficit of electrons | 34 | |
| 5492176168 | static charge | The imbalance of electric charge on an object (excess positive or negative) | 35 | |
| 5492176169 | conduction | occurs when a charged object comes into contact with a neutral object and electrons are transferred to give the neutral object the same charge | 36 | |
| 5492176170 | conductor | material whose electrons are held loosely (copper in a wire) | 37 | |
| 5492176171 | insulator | A material in which electrons are not able to move easily (rubber and glass) | 38 | |
| 5492176172 | electric field | the space around a charged object where electric force acts | 39 | |
| 5492176173 | electroscope | An instrument used to detect electric charge | 40 | |
| 5492176174 | static discharge | loss of static charge | 41 | |
| 5492176175 | grounding | connecting a charged object to a much larger conducting material | 42 | |
| 5492176176 | induction | occurs when a charged object comes near a neutral object and electrons are relocated within the neutral object to give the neutral object the opposite charge which accomplishes polarization. | 43 | |
| 5492176177 | + and +, or - and - | like charges repel | 44 | |
| 5492176178 | - and + | unlike charges attract | 45 | |
| 5492176179 | electroscope |  | 46 | |
| 5492176180 | Charging By Friction Example | Clothes rubbing together in a dryer, feet rubbing on a carpet. | 47 | |
| 5492176181 | Charging by Conduction Example | Foot becomes charged by friction, rest of body becomes charged because it has contact with foot. | 48 | |
| 5492176182 | Charging by Induction Example | Electrons on fingertips cause electrons on doorknob to move away, leaving doorknob with a positive charge | 49 | |
| 5492176183 | Coulomb's law states that | any two charges exert a force on each other. The force is inversely related to the distance between the two charges. | 50 | |
| 5492176184 | illustration of charges |  | 51 |
