11 mark
Which symbol is used to show an LDR?
Did this page help you?
Simple Circuits (OCR Gateway GCSE Physics: Combined Science)
Exam Questions
53 mins10 questions21 mark
A student sets up four different circuits. He uses identical lamps and the same cell.
Look at the diagrams of his circuits.
Which circuit has the brightest lamp(s)?
Did this page help you?
11 mark
Look at the circuit diagram.
- resistance = potential difference ÷ current
Calculate the resistance of bulb D.
2 Ω
4 Ω
6 Ω
8 Ω
Did this page help you?
21 mark
A student investigates how current and potential difference vary in different components.
Look at the graphs of her results.
Which graph shows a filament lamp?
Did this page help you?
31 mark
A student investigates how the resistance of a light dependent resistor (LDR) changes with light intensity.
Which graph shows the correct relationship between the resistance of an LDR and light intensity?
Did this page help you?
1
1 mark
1 markHere are some graphs for the potential difference (p.d.) of four electrical supplies.
Which graph shows a direct voltage?
Did this page help you?