Series & Parallel Circuits (AQA GCSE Physics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is a direct current (DC)?
What is a direct current (DC)?
Current that flows in one direction only
How does a graph of voltage against time appear for direct current?
How does a graph of voltage against time appear for direct current?
Horizontal line
What is an alternating current (AC)?
What is an alternating current (AC)?
Current that reverses direction regularly
On a graph of AC, what do the positive and negative values show?
On a graph of AC, what do the positive and negative values show?
The direction of current flow
Why is AC used for long-distance energy transmission?
Why is AC used for long-distance energy transmission?
It can be transferred more efficiently
What is the frequency of UK mains electricity supply?
What is the frequency of UK mains electricity supply?
Hz
What is the potential difference of UK mains electricity?
What is the potential difference of UK mains electricity?
V
Between which voltages does UK mains electricity fluctuate?
Between which voltages does UK mains electricity fluctuate?
V and V
How many times per second does UK mains current change direction?
How many times per second does UK mains current change direction?
times
What is an oscilloscope used for?
What is an oscilloscope used for?
To see the pattern of electrical current