Charging by friction and electrostatic phenomena

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Question 11
Medium

Figure 1 shows a electrostatic spray gun being used to apply paint to a metal bicycle frame. The paint droplets are given a positive electrostatic charge as they leave the nozzle.

Figure 1: A spray gun releasing a cloud of positively charged paint droplets towards a grounded metal bicycle frame.

Explain how charging the paint droplets ensures that the entire bicycle frame is evenly coated with paint, including the sides facing away from the spray gun.

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Charging by friction and electrostatic phenomena Questions

  1. GCSE
  2. /Physics
  3. /Charging by friction and electrostatic phenomena