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Charging a metal sphere negatively

Nila
in Physics

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Hi there!

 

While charging a metal sphere(connected to earth) negatively by induction,by bringing a positively charged rod near it,why does the electrons flow from earth to the sphere?

When we want to charge the sphere positively by induction,the electrons flow out from the sphere when connected to earth.

Why does it happen? Could someone care to enlighten me on this? :)

 

 

Thank you in advance!

 

Good Day

 

 

BTW,I'm new here! Nice to meet you all.

 

Nila

Hi there!

 

While charging a metal sphere(connected to earth) negatively by induction,by bringing a positively charged rod near it,why does the electrons flow from earth to the sphere?

When we want to charge the sphere positively by induction,the electrons flow out from the sphere when connected to earth.

Why does it happen? Could someone care to enlighten me on this? :)

 

 

The sphere is neutral to begin with. If it is to become charged, the charges have to come from or go someplace. How do electrons react to a charged rod?

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