Energy and Voltage in Circuits
1 mark · EasyState what is meant by the term "voltage" in an electric circuit.
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Voltage is the energy transferred per unit charge in a circuit.
Also accept: Voltage is the energy given to each coulomb of charge passing through a component.; Voltage is the energy supplied per coulomb of charge.
Common mistakes: Saying 'voltage is the current' or mixing up voltage and current.
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Marking points
B1 · 1 mark · Correctly states that voltage is energy per unit charge, or equivalent explanation.
Worked solution
Voltage is defined as the energy transferred per unit charge. In other words, 1 volt means 1 joule of energy is transferred for every 1 coulomb of charge moving through the component.