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Three small spheres each carrying a char...

Three small spheres each carrying a charge q are placed on the circumference of circle of radius r to form an equilateral triangle. Find the electric field at the centre of the circle.

Text Solution

Verified by Experts

`E_(1)=(kq)/(r^(2))=E_(0)`
`E_(2)=E_(0)` and `E_(3)=E_(0)`
Also, `E.=E_(0)cos60^(@)xx2=E_(0)`
`E=E.-E_(3)=0`
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