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4 marksElectric Fields

CAPE Physics Unit 2 · 2014 · Paper 2 · Question 4(c)(ii)

Compare the motion of the electrons in the electric field with that of an object in the earth's gravitational field by considering the effect of the fields on the horizontal and vertical velocity components.

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Other parts of this question

  1. 4(a)Define the term 'electric field strength' and state the unit in which it is measured.[3 marks]
  2. 4(b)Two horizontal metal plates in vacuo are separated by 1\text{ cm} with a potential difference of 1\text{ kV} applied across them as shown in Figure 2.…[2 marks]
  3. 4(c)(i)A beam of electrons is projected through a hole in the positive plate with velocity v at an angle of 60^\circ to the plate. Describe the subsequent motion…[1 mark]
  4. 4(d)What must be the value of v if the beam is to just touch the negative plate?[5 marks]

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