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10.2 Resistance

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Question 25
F

A 6.0 Ω resistor and a 9.0 Ω resistor are connected in series across a 9.0 V supply. The 9.0 Ω resistor is replaced by a 3.0 Ω resistor. By how much does the current increase?

[1]
A

0.60 A0.60\ \mathrm{A}0.60 A

B

0.40 A0.40\ \mathrm{A}0.40 A

C

1.0 A1.0\ \mathrm{A}1.0 A

D

1.4 A1.4\ \mathrm{A}1.4 A

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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