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level: Potential Difference (Voltage)

Questions and Answers List

level questions: Potential Difference (Voltage)

QuestionAnswer
What is voltage? (put simply)the energy given to electrical charge carriers in a circuit in order for them to move
what is electrical potential energythe energy needed to move a charge against an electric field
what is electrical potentialthe energy needed to move a charge from infinity to a certain point
what is potential difference?a difference in electrical potential between two points
a cell has a voltage of 9V. What does this mean?there's a difference of 9J per coulomb of charge between the positive and negative terminals of the cell
what is voltage measured in?Volts - V OR Joules per Coulomb - JC-1