Wednesday

April 23, 2014

April 23, 2014

Posted by **P** on Sunday, February 24, 2013 at 10:29pm.

(a) What is the electric field at the center, , of the ring? Express your answer in terms of the following variables, if necessary, , , and the constant (if needed, enter pi for , epsilon_0 for , sigma for , R_1 for .. etc).

unanswered

(b)What is the magnitude of the electric field at point which is a distance x above the point ? The line is perpendicular to the plane of the ring. Express your answer in terms of the following variables, if necessary, , , , and the constant (if needed, enter pi for , epsilon_0 for , sigma for , R_1 for .. etc).

- Physics -
**P**, Sunday, February 24, 2013 at 10:30pmA flat thin non-conducting ring has an inner radius and an outer radius . The disk is uniformly charged with charge per unit area .

(a) What is the electric field at the center, , of the ring? Express your answer in terms of the following variables, if necessary, , , and the constant (if needed, enter pi for , epsilon_0 for , sigma for , R_1 for .. etc).

unanswered

(b)What is the magnitude of the electric field at point which is a distance x above the point ? The line is perpendicular to the plane of the ring. Express your answer in terms of the following variables, if necessary, , , , and the constant (if needed, enter pi for , epsilon_0 for , sigma for , R_1 for .. etc).

- Physivs -
**Anonymous**, Tuesday, February 26, 2013 at 5:22amfor part (a) ans is 0.

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