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A ring of radius r carries a charge Q unifirmly distributed over its length a charge q is placed at its center will experiences a force

A ring of radius r carries a charge Q unifirmly distributed over its length a charge q is placed at its center will experiences a force

Grade:12

3 Answers

Khimraj
3007 Points
5 years ago
The force experienced by charge q placed at centre of ring will be zero.
As electric field at centre of ring is always zero.
Hope it clears.
Shivangi Baral
19 Points
5 years ago
let a particle be at point P at a distance x from centre of ring.
Then electric field at point P if given by the formula kQx/(x^2+r^2)^3/2
as here x =0 
=> E = 0 
=> F = qE =0
Yash
13 Points
2 years ago
A ring of radius r carries a charge Q uniformly distributed over its length. A charge q is placed at its centre will experience a force equal to
(a) 𝑞𝑄/4𝜋𝜀𝑜𝑟2(b) 𝑞𝑄/8𝜋𝜀𝑜𝑟3 (c) Zero (d) None of these

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