The electric potential of a moved object object will decrease if its charge is ____ and the displacement is positive.
positive
100
Does the electric potential at a point depend on the charge at that point?
no
100
When electrons with 1 coulomb of total charge move from the negative to the positive terminals of a 6 volt battery, how much work can they do?
6 J
100
At approximately what speed are changes in the electric field in a conductor propagated through that conductor?
speed of light (3 x 10^8 m/s)
100
Kilowatt-hours are a unit of what?
energy
200
Is the electric field generated by a point charge an example of a uniform electric field (a field with the same magnitude and direction at all points)?
No
200
What is the SI unit of electric potential?
volt (V)
200
What happens to the capacitance of a conducting sphere as its radius decreases?
It decreases
200
As charges travel around a circuit they ____ energy; as they move inside a battery from one terminal to the other they ____ energy.
lose; gain
200
Long distance transmission lines use ____ voltage and ____ current.
high; low
300
How will the electric potential energy of a positive charge moving through a displacement perpendicular to an electric field change?
It won't change
300
Does an electric potential exists at a particular point in an electric field whether or not there is actually a charge located at that point?
yes
300
By convention, we define the direction of current as the direction of ____ charge movement.
positive
300
How much electrical energy will a device rated at 60 W convert into other forms of energy in two seconds?
120 J
300
What approximate potential difference is electrical energy transmitted at after it passes into your neighborhood but before it enters your home?
4000 V
400
At a single point in an electric field, if the magnitude of the charge increases, the magnitude of the associated electrical potential energy will ____.
increase
400
The total electric potential at a point near several point charges is the _____ sum of the electric potentials from each of the individual charges.
algebraic
400
What is the unabbreviated SI unit of charge?
coulomb
400
How much power will be dissipated by a 10 Ω resistor with 5 A of current running through it?
250 W
400
If the negative terminal of a 12 V battery is grounded, what is the potential of the positive terminal?
+12 V
500
The electric potential at a point is the electric potential energy of a charged particle in an electric field divided by ____.
the charge of the particle
500
Could we call the electric potentials of the two terminals of a 3 V battery "4 V" and "1 V"?
yes
500
In common conductors like metal wires, which kind of charges have actual net movement?
negative
500
How much power will be dissipated by a 10 Ω resistor with a potential difference of 120 V across it?