GLASS FRICTION ROD

  • Length =30 cm approximately.
  • Diameter =13mm.
  • Students can appreciate how the rod gets positively charged when rubbed against silk, which acquires a negative charge.
  • Further on placing one charged rod next to another charged rod, one can demonstrate electrostatic repulsion (of similarly charged rods) or electrostatic attraction (in the case of oppositely charged rods).
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