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
description
battery
LE... 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
In the answer, you should draw the following lines:
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
To calculate the charge, use the formula:
charge=current×time
Substituting the values:
charge=0.21 A×300 s=63 C
Thus, the charge that flows through the lamp is 63 Coulombs.
