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Electrostatics — Physics STD 11 Science — Question

Maharashtra BoardEnglish MediumSTD 11 SciencePhysicsElectrostatics3 Marks
Question
The total charge of an isolated system is always conserved. Explain with an example.
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Answer

  1. When a glass rod is rubbed with silk, it becomes positively charged and silk becomes negatively charged.
  2. The amount of positive charge on glass rod is found to be exactly the same as negative charge on silk.
  3. Thus, the systems of glass rod and silk together possesses zero net charge after rubbing.
    Hence, the total charge of an isolated system is always conserved.

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