Mathematics: Athin circular ring of radius “a” has a uniformly distributed charge q. determine the electric potential at a point p on the axis of the ring at a distance x from its center.

Look it up in the webster’s dictionary. and people hate quadratic because quadratic problems are hard as hell....

Athin circular ring of radius “a” has a uniformly

reggie1127

16.03.2022

$E=\dfrac{KQx}{(x^2+a^2)^{\frac{3}{2}}}$

Step-by-step explanation:

Given that

Radius of ring=a

Distance of point P from center=x

Total charge=Q

We know that electric field is given by

$E=\dfrac{KQcos\theta }{r^3}$

Here electric field in two direction will be cancel out and only in one direction electric field will exits.

$cos\theta =\dfrac{x}{r}$

r^2=x^2+a^2

$E=\dfrac{KQx}{(x^2+a^2)^{\frac{3}{2}}}$

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