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10.2 Resistance

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Question 8
F

A 12 Ω resistor and an 18 Ω resistor are connected in series with a 6.0 V battery.

a.

Calculate the total resistance of the two resistors.

[1]
b.

Calculate the current in the circuit.

[3]
c.

Calculate the potential difference across the 12 Ω resistor.

[2]
d.

Deduce the potential difference across the 18 Ω resistor.

Give a reason for your answer.

[2]
e.

A third resistor is added to the circuit in series with the other two.

Explain how this affects the current in the circuit.

[2]
Markscheme

10.2 Resistance Questions

  1. GCSE
  2. /Physics
  3. /10.2 Resistance

81 exam-style questions on Edexcel GCSE Physics 10.2 Resistance, covering 10.2.1 Current in a circuit and conservation at junctions, 10.2.2 Resistance and variable resistors, 10.2.3 Series and parallel resistance, 10.2.4 I–V characteristics of components, and 10.2.5 LDRs and thermistors. Each one has a worked solution and a mark scheme showing where the marks go.

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