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2.5 Static electricity

2.5 Static electricity

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Question 1
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A polythene rod is rubbed with a dry woollen cloth, causing the polythene rod to become negatively charged.

a.

Complete the sentences. Choose from the following options: electrons, neutrons, or protons. The polythene rod becomes charged because it gains ______.

[1]
b.

The dry woollen cloth also becomes charged because it loses ______.

[1]
c.

What electrical charge is left on the cloth?

  • A negative charge
  • A neutral charge
  • A positive charge
[1]
d.

The negatively charged polythene rod is brought near a positively charged rod suspended from a thread. State the type of electrostatic force exerted between the two rods.

[1]
e.

Explain your answer.

[2]
f.

Which statement correctly describes the electric field pattern around a negatively charged isolated sphere?

  • A: Radial field lines directed straight inwards towards the center of the sphere
  • B: Radial field lines directed straight outwards from the center of the sphere
  • C: Circular field lines winding around the sphere
[1]
g.

Two identical negatively charged spheres are placed at different distances from each other:

  • Arrangement X: separation distance of 9.0 cm
  • Arrangement Y: separation distance of 3.0 cm
  • Arrangement Z: separation distance of 15.0 cm In which arrangement do the spheres experience the greatest electrostatic force?
[1]
Markscheme

2.5 Static electricity Questions

  1. GCSE
  2. /Physics
  3. /2.5 Static electricity

8 exam-style questions on AQA GCSE Physics 2.5 Static electricity, covering 2.5.1 Static charge and 2.5.2 Electric fields. Each one has a worked solution and a mark scheme showing where the marks go.

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