A ring with radius r has charge -Q uniformly distributed around it. The ring is located a distance h from an infinite grounded conducting plane. Let z be the vertical coordinate with z = 0 taken to be the center of the infinite conducting plane. a. Find the electric field above the conducting plane and the induced surface charge density on the plate. Your answers should be a function of Q, r, and h. b. If the ring is released from rest at a distance h from the infinite grounded conducting plane, determine the speed of the ring when it is located h/10 from the infinite grounded conducting plane.

A ring with radius r has charge -Q uniformly distributed around it. The ring is located a distance h from an infinite grounded conducting plane. Let z be the vertical coordinate with z = 0 taken to be the center of the infinite conducting plane. a. Find the electric field above the conducting plane and the induced surface charge density on the plate. Your answers should be a function of Q, r, and h. b. If the ring is released from rest at a distance h from the infinite grounded conducting plane, determine the speed of the ring when it is located h/10 from the infinite grounded conducting plane.

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Question

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Subject: Electromagnetics

A ring with radius r has charge -Q uniformly distributed around it. The ring is located a
distance h from an infinite grounded conducting plane. Let z be the vertical coordinate
with z = 0 taken to be the center of the infinite conducting plane.
a. Find the electric field above the conducting plane and the induced surface
charge density on the plate. Your answers should be a function of Q, r, and h.
b. If the ring is released from rest at a distance h from the infinite grounded
conducting plane, determine the speed of the ring when it is located h/10 from the
infinite grounded conducting plane.