Quelpr
2 marksElectric Fields

CAPE Physics Unit 2 · 2018 · Paper 2 · Question 4(b)

Figure 5 shows point charges of +6 μC at x = 0 m, -18 μC at x = 8 m, and +10 μC at y = 6 m.

On Figure 5, sketch the forces F₆ and F₁₈ on the third charge of +10 μC due to the +6 μC and the -18 μC charges respectively.

This question uses a figure or table from the paper — you'll see it when you practise.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 4(a)(i)Describe the conditions in the atmosphere which lead to a lightning strike and state the electrical property of the strike that makes it dangerous to natural…[2 marks]
  2. 4(a)(ii)Define the term 'breakdown' and state ONE condition under which breakdown is likely to occur.[2 marks]
  3. 4(a)(iii)Describe the functional properties of lightning rods and explain how they work to protect structures on the ground.[3 marks]
  4. 4(c)Calculate the magnitude of EACH of the forces, F₆ and F₁₈.[3 marks]
  5. 4(d)Determine a value for the NET vertical force on the +10 μC charge.[3 marks]

More practice: the rest of this paper · more Electric Fields questions · all CAPE Physics Unit 2 past papers