A student investigated how the current in a filament lamp varies with the potential difference across the lamp - AQA - GCSE Physics - Question 1 - 2023 - Paper 1
Question 1
A student investigated how the current in a filament lamp varies with the potential difference across the lamp. Figure 1 shows the circuit used.
1. What is componen... show full transcript
Worked Solution & Example Answer:A student investigated how the current in a filament lamp varies with the potential difference across the lamp - AQA - GCSE Physics - Question 1 - 2023 - Paper 1
Step 1
What is component P?
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Answer
Component P is a switch.
Step 2
Complete the sentences.
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Answer
Current
Potential difference
Step 3
How will increasing the resistance of the variable resistor in Figure 1 affect each of the following quantities?
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Answer
Quantity
Decreases
Stays the same
Increases
Current in the circuit
✓
Potential difference across the lamp
✓
Total resistance of the circuit
✓
Step 4
Calculate the current in the lamp.
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