Current, Resistance & Potential Difference (AQA GCSE Physics Combined Science): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What is potential difference in a circuit?
What is potential difference in a circuit?
Driving force causing charges to flow
What is the unit of potential difference?
What is the unit of potential difference?
Volts (V)
Which instrument is used to measure potential difference?
Which instrument is used to measure potential difference?
Voltmeter
How must a voltmeter be connected to measure pd across a component?
How must a voltmeter be connected to measure pd across a component?
In parallel
What is the unit of resistance?
What is the unit of resistance?
Ohms (Ω)
What does resistance do in a circuit?
What does resistance do in a circuit?
Slows down flow of charges
Which equation relates potential difference, current and resistance?
Which equation relates potential difference, current and resistance?
How do you calculate resistance from potential difference and current?
How do you calculate resistance from potential difference and current?
How does resistance relate to wire length in the practical?
How does resistance relate to wire length in the practical?
Directly proportional
What does the graph of resistance vs wire length show?
What does the graph of resistance vs wire length show?
Straight line through origin