Charges `q` is uniformly distributed over a thin half ring of radius `R`. The electric field at the centre of the ring isA. `(q)/(2 pi^(2) epsi_(0)R^(2))`B. `(q)/(4 pi^(2) epsi_(0)R^(2))`C. `(q)/(4 pi rpsi_(0)R^(2))`D. `(q)/(2 pi epsi_(0)R^(2))`

Charges `q` is uniformly distributed over a thin half ring of radius `

1.	Charges `q` is uniformly distributed over a thin half ring of radius `R`. The electric field at the centre of the ring isA. `(q)/(2 pi^(2) epsi_(0)R^(2))`B. `(q)/(4 pi^(2) epsi_(0)R^(2))`C. `(q)/(4 pi rpsi_(0)R^(2))`D. `(q)/(2 pi epsi_(0)R^(2))`
Answer» Correct Answer - A

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Charges `q` is uniformly distributed over a thin half ring of radius `R`. The electric field at the centre of the ring isA. `(q)/(2 pi^(2) epsi_(0)R^(2))`B. `(q)/(4 pi^(2) epsi_(0)R^(2))`C. `(q)/(4 pi rpsi_(0)R^(2))`D. `(q)/(2 pi epsi_(0)R^(2))`

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