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| the electric potential of a point of charge is defined as _______. |
(k x q)/r |
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scooter_arablvr Sat, 03 Jul 2010 03:15:11 GMT |
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| the electric field is defined as __________ divided by ________. |
force ; charge F/Qo |
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scooter_arablvr Sat, 03 Jul 2010 03:15:11 GMT |
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| If charges have the same sign PE is ________. If charges have opposite signs PE is ________. |
positive; negative |
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scooter_arablvr Sat, 03 Jul 2010 03:05:26 GMT |
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| The total electric potential at some point P due to several point charges is the ______ of the electric potentials due to the individual charges. |
algebraic sum |
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scooter_arablvr Sat, 03 Jul 2010 03:04:27 GMT |
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| A negative charge ____ electrical potential energy when it moves in the direction opposite of the electric field. |
loses |
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scooter_arablvr Sat, 03 Jul 2010 03:04:27 GMT |
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| A positive charge _____ electrical potential energy when it is moved in a direction opposite the electric field. |
gains |
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scooter_arablvr Sat, 03 Jul 2010 03:04:27 GMT |
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| units of potential difference are _____. |
Volt or J/C |
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scooter_arablvr Sat, 03 Jul 2010 03:15:25 GMT |
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| potential difference and potential energy are _______ quantities. |
scalar |
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scooter_arablvr Sat, 03 Jul 2010 03:04:26 GMT |
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| potential difference or delta V = _______ divided by ________. |
delta PE / q |
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scooter_arablvr Sat, 03 Jul 2010 03:04:26 GMT |
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| ________ is defined as the change in the potential energy of a charge moved from point A to B divided by the size of the charge. |
potential difference |
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scooter_arablvr Sat, 03 Jul 2010 03:04:26 GMT |
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| Work done by a conservative force is equal to the __ of the change in potential energy. |
negative |
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scooter_arablvr Sat, 03 Jul 2010 03:04:26 GMT |
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| The electrostatic force is a _________ force. |
conservative force |
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scooter_arablvr Sat, 03 Jul 2010 02:56:35 GMT |
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| _________ states that the electric flux through any closed surface is equal to the net charge Q inside the surface divided by the permittivity of free space. |
Gauss' Law |
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scooter_arablvr Sat, 03 Jul 2010 02:56:35 GMT |
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| Electric flux is represented by _____. |
O with I vertically placed in it |
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scooter_arablvr Sat, 03 Jul 2010 02:56:35 GMT |
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| The electric field just outside a charged conductor is ______ to the conductor's surface. |
perpendicular |
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scooter_arablvr Sat, 03 Jul 2010 02:56:34 GMT |
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| Any excess charge on an isolated conductor resides entirely on its _____. |
surface |
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scooter_arablvr Sat, 03 Jul 2010 02:56:34 GMT |
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| The electric field is ___ everywhere inside the conducting material. |
zero |
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scooter_arablvr Sat, 03 Jul 2010 02:56:34 GMT |
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| When no net motion of charge occurs within a conductor, the conductor is said to be in _______. |
electrostatic equilibrium |
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scooter_arablvr Sat, 03 Jul 2010 02:56:34 GMT |
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| An electric _______ consists of two equal and opposite charges. |
dipole |
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scooter_arablvr Sat, 03 Jul 2010 02:56:34 GMT |
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| A convenient aid for visualizing electric field patterns is to draw lines pointing in the direction of the field vector at any point. |
electric field lines |
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scooter_arablvr Sat, 03 Jul 2010 02:48:29 GMT |
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| The electric field produced by a positive charge is directed _________ from the charge. |
away |
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scooter_arablvr Sat, 03 Jul 2010 02:48:29 GMT |
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| The electric field produced by a negative charge is directed _____ the charge. |
toward |
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scooter_arablvr Sat, 03 Jul 2010 02:48:29 GMT |
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| Electric field's SI units are ________. It is a _______ quantity. |
N/C ; vector |
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scooter_arablvr Sat, 03 Jul 2010 02:48:29 GMT |
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| An _________ is said to exist in the region of space around a charged object. |
electric field |
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scooter_arablvr Sat, 03 Jul 2010 02:48:29 GMT |
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| The resultant force on any one charge equals the vector sum of the forces exerted by the other individual charges that are present. |
the superposition principle |
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scooter_arablvr Sat, 03 Jul 2010 02:48:29 GMT |
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| _________ force is strong than the _________ force. |
electrostatic; gravitational |
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scooter_arablvr Sat, 03 Jul 2010 02:48:29 GMT |
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| __________ are always attractive. |
gravitational forces |
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scooter_arablvr Sat, 03 Jul 2010 02:48:29 GMT |
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| Electrical forces can either be ________ or _________. |
attractive; repulsive |
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scooter_arablvr Sat, 03 Jul 2010 02:48:28 GMT |
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| With a _________, the force is exerted by one object on another object even though they are not in contact with each other. |
field force |
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scooter_arablvr Sat, 03 Jul 2010 02:48:28 GMT |
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| Coulomb's constant is symbolized by _______. |
k e = 8.9 x10^9 N m^2/C^2 |
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scooter_arablvr Sat, 03 Jul 2010 02:48:28 GMT |
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| The realignment of charge on the surface of an insulator is known as ________. |
polarization |
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scooter_arablvr Sat, 03 Jul 2010 02:48:28 GMT |
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| The characteristics of _______ are between those of insulators and conductors. |
semiconductors |
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scooter_arablvr Thu, 01 Jul 2010 19:11:45 GMT |
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| _______ are materials in which electric charges do not move freely. |
insulators |
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scooter_arablvr Thu, 01 Jul 2010 19:11:45 GMT |
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| _____ are materials in which the electric charges move freely in response to an electric force. |
conductors |
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scooter_arablvr Thu, 01 Jul 2010 19:10:54 GMT |
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| The SI unit of charge is the ____. |
Coulomb |
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scooter_arablvr Thu, 01 Jul 2010 19:10:53 GMT |
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| All charge is a multiple of a fundamental unit of charge, symbolized by ___. |
e |
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scooter_arablvr Thu, 01 Jul 2010 19:10:53 GMT |
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| Charge is _________. |
quantized |
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scooter_arablvr Thu, 01 Jul 2010 19:10:53 GMT |
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| Electric charge is always _____. |
conserved |
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scooter_arablvr Thu, 01 Jul 2010 19:09:20 GMT |
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| Nature's basic carrier of positive charge is the _______ and nature's basic carrier of negative charge is the _______. |
proton; electron |
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scooter_arablvr Thu, 01 Jul 2010 19:09:20 GMT |
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| Like charges ________ and unlike charges ________ one another. |
repel; attract |
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scooter_arablvr Thu, 01 Jul 2010 19:09:20 GMT |
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| Two types of electric charges are ____. |
positive and negative
**named by Benjamin Franklin |
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scooter_arablvr Thu, 01 Jul 2010 19:09:20 GMT |
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