Required Practical: Investigating Resistance (AQA GCSE Physics Combined Science): Quizzes
📚Quizzes
Practise the questions
8 questions from this quiz
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Practise the questions
8 questions from this quiz
What is the purpose of the variable resistor in this investigation?
What is the purpose of the variable resistor in this investigation?
To change the current through the circuit
Which two measurements should be recorded for each reading in this investigation?
Which two measurements should be recorded for each reading in this investigation?
Current and potential difference
Which component is tested at a fixed temperature in this investigation?
Which component is tested at a fixed temperature in this investigation?
A resistor
What should you do after recording data for all current values?
What should you do after recording data for all current values?
Swap wires to battery and repeat
What will the ammeter display when you swap the wires to the battery?
What will the ammeter display when you swap the wires to the battery?
A negative current
How should potential difference be recorded when the battery wires are swapped over?
How should potential difference be recorded when the battery wires are swapped over?
As a negative value
What type of graph should be plotted for each component tested?
What type of graph should be plotted for each component tested?
An I-V graph
Which three types of resistor can be identified from the I-V graphs?
Which three types of resistor can be identified from the I-V graphs?
Ohmic, non-ohmic or diode