Learning objective
Explain terminal potential difference and lost volts.
Read the explanation, check the common trap, then practise with flashcards and questions.
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Topic
Current electricity
Subtopic
Electromotive force and internal resistance
Aqa A Level PhysicsElectricity
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Quick explanation
Explain terminal potential difference and lost volts
- This point belongs to Current electricity, especially Electromotive force and internal resistance.
- You need to be able to explain terminal potential difference and lost volts.
- The key ideas to know are lost volts and terminal potential difference.
- Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.
Key concepts
lost voltsterminal potential difference
Why it matters
This objective helps connect Electromotive force and internal resistance to exam-style questions, flashcards, and revision notes for Current electricity.
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Revision notestopic notes
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Open revision notesRelated learning objectives
- Use current as the rate of flow of charge.
Basics of electricity
- Use potential difference as energy transferred per unit charge.
Basics of electricity
- Apply Ohm's law to suitable conductors.
Basics of electricity
- Use electrical power and energy equations in circuit contexts.
Basics of electricity
- Interpret I-V graphs for ohmic conductors.
Current-voltage characteristics