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how to solve problems in electrostatics

how to solve problems in electrostatics

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Aman Bansal
592 Points
12 years ago

Dear Sandhya,

  • An uncharged object placed near a charged object becomes polarized. 

    As discussed before, most objects are uncharged. An uncharged object means that the total number of positive charges equals the total number of negative charges. The net charge on the object is zero. When an uncharged object is placed near a charged object, its net charge remains zero. No additional charge is put on the object. What does happen, however, is the charges inside the object rearrange themselves. When a negatively charged object, for instance, is placed near an uncharged object, the negative charges move away from the charged object and the positive charges move towards the charged object. It is this effect that makes the uncharged object act as if it is charged. 


  • Charges on a conductor tend to gather at sharp points. 

    Due to the properties of electric fields and conductors, the charges on a conductor will gather at sharp points. A metal cone, for instance, which has been charged will have a lot of charge at the point, and much less charge elsewhere. 

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