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10.1 Circuits, charge and current

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Question 13

A model railway controller contains a motor and a signal lamp on separate parallel branches. Switch R is in series with the signal lamp. Switch S is in series with the motor. Switch T is in the main wire before the branches separate.

All the components are working correctly. During a test, the motor runs but the signal lamp does not light.

Which switch must be open?

[1]
A

Switch T

B

No switch is open

C

Switch S

D

Switch R

Markscheme

10.1 Circuits, charge and current Questions

  1. GCSE
  2. /Physics
  3. /10.1 Circuits, charge and current

94 exam-style questions on Edexcel GCSE Physics 10.1 Circuits, charge and current, covering 10.1.1 Structure of the atom, 10.1.2 Circuit diagrams and symbols, 10.1.3 Series and parallel circuits, 10.1.4 Potential difference and voltmeters, 10.1.5 Energy transferred, charge and potential difference, and 10.1.6 Current, ammeters and charge flow. Each one has a worked solution and a mark scheme showing where the marks go.

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