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Problem 9: Consider a ring of charge with a linear charge density 540 nC/m. The radius of the ring is 75 cm. Part (a) What is the magnitude of the electric field, in newtons per coulomb, a distance 2.99 m from the center of the ring along the axis of the ring? Part (b) Give an expression for the electric field very far from the ring, when zo>>R. Write this expression in terms of the Coulomb constant k, the charge density 1, the distance zn, and the radius R. Part (c) Give an expression for the electric field very close to the plane of the ring, when zo << R. Write this expression in terms of the Coulomb constant k, the charge density 1, the distance zo, and the radius R.

Problem 9: Consider a ring of charge with a linear charge density 540 nC/m. The radius of the ring is 75 cm. Part (a) What is the magnitude of the electric field, in newtons per coulomb, a distance 2.99 m from the center of the ring along the axis of the ring? Part (b) Give an expression for the electric field very far from the ring, when zo>>R. Write this expression in terms of the Coulomb constant k, the charge density 1, the distance zn, and the radius R. Part (c) Give an expression for the electric field very close to the plane of the ring, when zo << R. Write this expression in terms of the Coulomb constant k, the charge density 1, the distance zo, and the radius R.

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Problem 9: Consider a ring of charge with a linear charge density 540 nC/m. The radius of the ring is 75 cm. Part (a) What is the magnitude of the electric field, in newtons per coulomb, a distance 2.99 m from the center of the ring along the axis of the ring? Part (b) Give an expression for the electric field very far from the ring, when zn >> R. Write this expression in terms of the Coulomb constant k, the charge density 1, the distance z0, and the radius R. Part (c) Give an expression for the electric field very close to the plane of the ring, when zo << R. Write this expression in terms of the Coulomb constant k, the charge density 1, the distance zn, and the radius R.
Transcribed Image Text:Problem 9: Consider a ring of charge with a linear charge density 540 nC/m. The radius of the ring is 75 cm. Part (a) What is the magnitude of the electric field, in newtons per coulomb, a distance 2.99 m from the center of the ring along the axis of the ring? Part (b) Give an expression for the electric field very far from the ring, when zn >> R. Write this expression in terms of the Coulomb constant k, the charge density 1, the distance z0, and the radius R. Part (c) Give an expression for the electric field very close to the plane of the ring, when zo << R. Write this expression in terms of the Coulomb constant k, the charge density 1, the distance zn, and the radius R.
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