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A ring with a uniform charge Q and radiu...

A ring with a uniform charge `Q` and radius `R`, is placed in the `yz` plane with its centre at the origin

A

The field at the origin is zero

B

The field at the origin is `(1)/(4 pi epsi_(0)) (Q)/(R)`

C

The field at the point `(x, 0, 0)` is `(1)/(4 pi epsi_(0)) (Q)/(R)`

D

The field at the point `(x, 0, 0)` is `(1)/(4 pi epsi_(0)) (Q)/(R^(2) + x^(2))`

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Knowledge Check

  • A point P(Rsqrt(3),0,0) lies on the axis of ring of mass M and radius R the ring is located in YZ plane with its centre at origin O A small particle of mass m starts from P and reaches O under gravitatinal attracton only its speed at O will be

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