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What fills the space around every electric charge? |
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An electric field is _________ where it would exert the greatest electrical force on a (+) test charge. |
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How do you determine the direction of the electric field? |
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The direction of the field at any point is the direction of the electrical force on a (+) test charge. |
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How can an electric field be represented? |
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Where are static charges found on a conductor? |
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Static charge occupies only the outer surface of a conductor; inside the conductor the electric field is zero. |
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An electric field is a storehouse of __________. |
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A _______ object has electrical potential by virtue of its location in an electric field. |
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The electric potential, or __________, at any point in an electric field is the electric field is the electrical potential energy per charge for a charged object at that point. |
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A zero of potential must be specified; it is often at __________ distance from charges |
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A ________ is a device for storing charge and energy. |
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Tell me about a Van de Graaff generator. |
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Definition
It is a charged dome (electrostatic machine) |
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The _____________ around a magnet, black hole or electric charge is said to contain a ________ field. |
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Around every mass is a ________ field. |
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Around every electric charge is an ________ field. |
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A force field that fills the space around every electric charge or group of charges. N/C Newtons/Coulomb |
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An electrical ________ holds an electron in orbit about a proton. |
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An electric field has both ________ and ________. |
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Is electric field (E) a vector? |
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Definition
Yes—it has magnitude and direction, And can be represented by vectors. |
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What is the charge of the test charge in a field? |
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Is there an electric field inside a conductor? |
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For oppositely charged plates, what can you tell me about the field between the plates? |
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Definition
It has a constant strength except near the ends |
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Why are you safe if you are inside a car that is hit with lightning? |
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Definition
There is little or no electric field in the space inside a conductor. |
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How do you shield yourself from an electric field? |
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Definition
Surround yourself with a conducting surface |
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Why are electronics encased in metal boxes? |
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It shields them from all outside electrical activity. |
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Work is done when a force moves something in the direction of the ________. |
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An object has potential energy by virtue of its ________. |
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Name the unit of measurement for electrical potential. |
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What is the unit for electric potential or volt? |
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The electrical potential difference across which 1 Coulomb gains or loses 1 joule of energy. |
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Amount work done when 1N force moves an object 1 meter toward force. |
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A device used to store charge in a circuit. |
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How is a charged capacitor discharged? |
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A conducting path is provided between the plates |
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________ is required to push a charged particle against the electric field of a charged body. |
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The energy the charge possesses by virtue of its location is called. |
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Electrical potential energy |
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Electrical potential/charge = |
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