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- Homework Statement
- A ring of radius a carries a uniformly distributed positive total charge Q. Calculate the electric field due to the ring at a

point P lying a distance x from its center along the central axis perpendicular to the plane of the ring (Fig. 23.3a).

- Relevant Equations
- continuous charge distribution formula

Hi!

For this problem,

The solution is,

However, why did they not include constants of integration in their working shown in red?

Many thanks!

For this problem,

The solution is,

However, why did they not include constants of integration in their working shown in red?

Many thanks!