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11.1 Charging by friction

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Question 10

A student uses an electrostatic generator to charge two small metal spheres, sphere A and sphere B.

The charge on sphere A is 18 μC18\text{ }\mu\text{C}18 μC.

The charge on sphere B is 75 μC75\text{ }\mu\text{C}75 μC.

Calculate the percentage of charge on sphere A compared with the charge on sphere B.

Use the equation:

percentage of charge=charge on sphere Acharge on sphere B×100 \text{percentage of charge} = \frac{\text{charge on sphere A}}{\text{charge on sphere B}} \times 100 percentage of charge=charge on sphere Bcharge on sphere A​×100
[2]
Markscheme

11.1 Charging by friction Questions

  1. GCSE
  2. /Physics
  3. /11.1 Charging by friction

47 exam-style questions on Edexcel GCSE Physics 11.1 Charging by friction, covering 11.1.1 Charging insulators by friction, 11.1.2 Forces between charges, 11.1.3 Electrostatic phenomena, and 11.1.4 Earthing and removing charge. Each one has a worked solution and a mark scheme showing where the marks go.

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