Charging by friction and electrostatic phenomena

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Question 5
Medium

A laboratory technician holds a positively charged glass rod close to one end of a neutral brass cylinder that is mounted on an insulating stand.

Electrostatic induction setup with a positively charged rod near a grounded brass cylinder

The technician briefly connects a grounding wire from the earth to the opposite end of the cylinder, then disconnects the wire.

Explain why the brass cylinder is left with an overall negative charge.

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Charging by friction and electrostatic phenomena Questions

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