Question

A uniformly charged disk of radius 25.0 cm carries a charge density of 6.50 x 10^-3 C/m².

a) from the definition of the electric field, derive the expression of the net electric field along the perpendicular line going through the center of the disk.

b) calculate the electric field on the axis of the disc at 50 cm from the center of the disk.

c) calculate the electric field on the axis of the disc at 2 m from the center of the disc.

Answer 1

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