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3 marksElectric Fields

CAPE Physics Unit 2 · 2014 · Paper 2 · Question 4(a)

Electric field properties and charged particle motion between parallel plates.

Define the term 'electric field strength' and state the unit in which it is measured.

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Other parts of this question

  1. 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]
  2. 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]
  3. 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…[4 marks]
  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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