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10.2 Resistance

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Question 24
F

A second resistor is connected in parallel with a resistor across a supply of constant potential difference. Why does the total resistance decrease?

[1]
A

The new branch reduces the voltage across the original resistor

B

The new branch makes the current in each resistor identical

C

The new branch uses up some charge from the original resistor

D

The new branch provides an additional path for charge to flow

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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