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Physics for IGCSE & O level - Electricity (Section 4 - No. 29)

What does the term 'potential difference' refer to in an electrical circuit?
The rate of flow of charge.
The opposition to the flow of current.
The force that pushes charges around a circuit.
The total charge in the circuit.

توضيح

Potential difference (voltage) is the force that pushes charges around.

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