Required Practical: Investigating Resistance (AQA GCSE Physics): Flashcards
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Practise the cards
9 cards from this deck
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Practise the cards
9 cards from this deck
Purpose of I-V characteristics practical
Purpose of I-V characteristics practical
Investigate components and identify resistor types
Three components tested in I-V practical
Three components tested in I-V practical
Filament lamp, diode, resistor at fixed temperature
Role of variable resistor in I-V experiment
Role of variable resistor in I-V experiment
Changes the current through the circuit
Measurements recorded in I-V practical
Measurements recorded in I-V practical
Current and potential difference
Reason for swapping battery wires over
Reason for swapping battery wires over
To get negative current and potential difference readings
What does ammeter show when battery wires swapped?
What does ammeter show when battery wires swapped?
Negative current
What graph is plotted in the I-V practical?
What graph is plotted in the I-V practical?
I-V graph (current vs potential difference)
Three types of resistors to identify
Three types of resistors to identify
Ohmic, non-ohmic, diode
Temperature condition for resistor component
Temperature condition for resistor component
Fixed temperature