Class 8 Physics Some Natural Phenomena Experiment 3 : Two Glass Rods

Experiment

  • Rub 2 glass rod with a piece of silk cloth
  • Bring the two glass rods closer

Observation

  • They repel each other.

Analysis

  • Earlier, the glass rods were
  • When we rubbed the glass rods on a piece of silk cloth, the positive charges were transferred from silk to the glass rods. Now the rods are charged positively.
  • When 2 such glass rods are brought closer, they repel each other.

Conclusions

  • Static charges are produced by the friction between two interacting bodies

Like charges repel each other

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