Q4_Lesson 2 - Electric Potential and Potential Difference

low to high potential terminal

In an electric circuit, the chemical energy from a battery does work on a charge by moving it from _____

electrical energy within the battery,

This is then transformed into ____ before being transformed into other forms of energy, such as heat and light.

Electric potential

simply called potential

Electric potential

potential energy contained in a single unit of charge

refers to the potential energy U per unit charge in relation to the charge q₀

one volt (V)

SI unit of electric potential

joule per coulomb (J/C)

one volt (V) is also equivalent to ____

work can be related to potential difference

V_a – V_b

electric potential difference

V_a – V_b

potential of a in relation to b (V_ab)

voltage, expressed in joules per coulomb or volts

potential difference between points a and b is also called

Electric potential energy

as the charged particle moves, U_E decreases

V increases as you move inward
V decreases as you move outward

When does V increase in a positive point charge?

V decreases as you move inward
V increases as you move outward

When does V decrease in a negative point charge?

increases

when the charge of the potential energy increases, the electric potential___

gain

loss in potential energy in the external circuit brings about a ____ in different forms of nonelectrical energy such as light and heat energy

q > 0

the direction of the force on a charge is in the direction of the field if ___

q < 0

the direction of the force on a charge is away from the field if

scalar

electric potential is ____

Joules

Electric potential energy is expressed in

volts

whereas potential is expressed in ____