Required practical - Investigating resistance (AQA GCSE Physics Combined Science): Flashcards
📚Flashcards
Practise the cards
12 cards from this deck
ShowHide
Practise the cards
12 cards from this deck
What this practical investigates
What this practical investigates
Resistors in series/parallel & wire length vs resistance
How resistors connect in series
How resistors connect in series
One after the other in a single loop
Voltage behavior in series circuits
Voltage behavior in series circuits
Splits between the resistors
How resistors connect in parallel
How resistors connect in parallel
On separate branches back to main circuit
Voltage in parallel circuits
Voltage in parallel circuits
Each resistor gets same PD as power supply
Formula for resistance
Formula for resistance
Total resistance: series vs parallel
Total resistance: series vs parallel
Higher in series, lower in parallel
Effect of wire length on resistance
Effect of wire length on resistance
Longer wires have higher resistance
Relationship: wire length & resistance
Relationship: wire length & resistance
Directly proportional
What to keep constant in wire investigation
What to keep constant in wire investigation
Current (using variable resistor)
Graph axes for wire investigation
Graph axes for wire investigation
Length on x-axis, resistance on y-axis
Expected graph for length vs resistance
Expected graph for length vs resistance
Straight line through the origin