What will be the electric field through a ring of radius r if ring is chargeless & a point charge q kept L distance apart from the ring

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A ring of radius R is charged uniformly with a charge +Q. The electric field at a point on its axis at a distance r from any point on the ring will be:-

Q. A ring of radius

R

is charged uniformly with a charge

+ Q

. The electric field at any point on its axis at a distance

r

from the circumference of the ring will be

Q. A ring of radius R is uniformly charged. At what distance from the electric field will be maximum (on its axis).

Q. The electric field strength due to ring of radius R at a distance x from its centre on the axis of ring carrying charge Q is given by

E = \frac{1}{4 π ε_{0}} \frac{Q x}{(R^{2} + x^{2})^{3 / 2}}

. At what distance from the centre will the electric field be maximum?

Q. A ring of radius

R

is charged uniformly with a charge

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. The electric field at any point on its axis at a distance

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from the circumference of the ring will be

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