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Series and parallel circuits — AQA GCSE Physics 8463
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AQA GCSE Physics
Electricity
Series and Parallel Circuits
Series and parallel circuits
AQA GCSE Physics · 8463
Series and parallel circuits
What you need to know
Construct and check series and parallel circuits using circuit diagrams.
Describe the differences between series and parallel circuits regarding current, potential difference, and total resistance.
Calculate the total resistance of two components in series:
R
t
o
t
a
l
=
R
1
+
R
2
R_{total} = R_1 + R_2
R
t
o
Revision notes
1
Series and parallel circuits
9 key terms
Practise with past papers
Key terms & definitions
Previous topic: Current, Potential Difference and Resistance
Resistors
Next topic: Domestic Electricity and Safety
Direct and alternating potential difference
t
a
l
=
R
1
+
R
2
Explain qualitatively why adding resistors in series increases total resistance while adding them in parallel decreases it.
Calculate currents, potential differences, and resistances in DC series circuits.
Solve problems for circuits involving resistors in series using the concept of equivalent resistance.
