Q. If two spheres are taken in equal in size and mass. One with -e charge and other is zero charge. What will happen? 'note :- e is small unit of charge i.e a electron'

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Solution

$D e a r s t u d e n t, A s t h e c h a r g e o n s e c o n d s p h e r e i s z e r o t h e n, F_{E L E C T R O S T A T I C} = \frac{G q_{1} q_{2}}{r^{2}} = 0 a s c h a r g e o n s e c o n d s p h e r e i s z e r o . B u t t h e r e w i l l b e g r a v i t a t i o n a l f o r c e e x i s t i n g b e t w e e n t h e m . R e g a r d s$

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Q. If two spheres are taken in equal in size and mass. One with -e charge and other is zero charge. What will happen? 'note :- e is small unit of charge i.e a electron'

Dear student,As the charge on second sphere is zero then,FELECTROSTATIC=Gq1q2r2=0 as charge on second sphere is zero.But there will be gravitational force existing between them .Regards