This question is about electrical circuits - Edexcel - GCSE Physics Combined Science - Question 1 - 2022 - Paper 1
Question 1
This question is about electrical circuits.
(a) Draw one straight line from each circuit symbol to its description.
circuit symbol
battery
LED
switch
... show full transcript
Worked Solution & Example Answer:This question is about electrical circuits - Edexcel - GCSE Physics Combined Science - Question 1 - 2022 - Paper 1
Step 1
Draw one straight line from each circuit symbol to its description.
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Answer
Battery → battery
LED → LED
Switch → switch
Resistor → resistor
Step 2
The current in the lamp is a flow of
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Answer
B. electrons
Step 3
Calculate the charge that flows through the lamp in a time of 300 s. State the unit of charge.
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Answer
Using the equation:
charge = current x time
charge = 0.21 A x 300 s
charge = 63 C
Unit of charge: Coulombs (C)
