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Electric fields

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Question 5

The centres of a proton and an alpha particle are separated by 4 mm.

What is the electrostatic force between them?

A

1.15×10−25 N1.15 \times 10^{-25}\text{ N}1.15×10−25 N

B

1.44×10−23 N1.44 \times 10^{-23}\text{ N}1.44×10−23 N

C

2.88×10−23 N2.88 \times 10^{-23}\text{ N}2.88×10−23 N

D

2.88×10−29 N2.88 \times 10^{-29}\text{ N}2.88×10−29 N

Markscheme

Electric fields Questions

  1. A Level
  2. /Physics
  3. /Electric fields

15 exam-style questions on OCR A A Level Physics Electric fields, covering Point and spherical charges, Coulomb's law, Uniform electric field, and Electric potential and energy. Each one has a worked solution and a mark scheme showing where the marks go.

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