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  • Please,please help me A charge of Q coulomb is placed on a solid piece of metal of irregular shape. The charge will distribute itself

A charge of Q coulomb is placed on a solid piece of metal of irregular shape. The charge will distribute itself

  • Option 1)

    Uniformly in the metal object

  • Option 2)

    Uniformly on the surface of the object

  • Option 3)

    Such that the potential energy of the system is minimised

  • Option 4)

    Such that the total heat loss is minimised

 

Answers (1)

best_answer

As we learned

If surface is irregular -

Charge density is not uniform, it is maximum where the radius of curvature is minimum and vise versa.

i.e       \sigma \propto \frac{1}{R}

- wherein

 

 Potential energy depends upon the charge at peaks of irregularities. Since every event in the universe leads to the minimisation of energy.

 


Option 1)

Uniformly in the metal object

Option 2)

Uniformly on the surface of the object

Option 3)

Such that the potential energy of the system is minimised

Option 4)

Such that the total heat loss is minimised

Posted by

Plabita

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