# Shared Flashcard Set

## Details

Chapter 33: Electric Fields and Potential Questions
Chapter 33 Electric Fields and Potential Questions
36
Physics
01/14/2012

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