Series & Parallel Circuits (AQA GCSE Physics Combined Science): Quizzes
📚Quizzes
Practise the questions
9 questions from this quiz
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Practise the questions
9 questions from this quiz
What is a key characteristic of direct current (DC)?
What is a key characteristic of direct current (DC)?
Flows in one direction at constant voltage
How does a voltage vs time graph appear for DC?
How does a voltage vs time graph appear for DC?
Horizontal line
What is alternating current (AC)?
What is alternating current (AC)?
Current that reverses at regular intervals
What does an AC graph show about current values over time?
What does an AC graph show about current values over time?
Alternates between positive and negative
Why is AC used for long-distance energy transmission?
Why is AC used for long-distance energy transmission?
Can be transferred more efficiently
What is the frequency of UK mains electricity?
What is the frequency of UK mains electricity?
Hz
What is the potential difference of UK mains electricity?
What is the potential difference of UK mains electricity?
V
Between what voltages does UK mains electricity fluctuate?
Between what voltages does UK mains electricity fluctuate?
V and V