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Force of attraction between two point charges Q and -Q separated by d\; metre is F_{e}. When these charges are placed on two identical spheres of radius R=0.3d whose centres are d\; metre apart, the force of attraction between them is 

  • Option 1)

    Greater than  F_{e}

  • Option 2)

    Equal to  F_{e}

  • Option 3)

      Less than   F_{e}

  • Option 4)

    None of these

 

Answers (1)

As we learned @3223

Separation between the spheres is not too large as compared to their radius so due to induction effect redistribution of charge takes place. Hence effective charge separation decreases so force increases.


Option 1)

Greater than  F_{e}

Option 2)

Equal to  F_{e}

Option 3)

  Less than   F_{e}

Option 4)

None of these

Posted by

Vakul

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