Approximation the magnitude of the electric field

Reference no: EM1368044

Q. A square plate of edge length 13.0 cm and negligible thickness has a total charge of 5.00 10-6 C.

(a) Approximation the magnitude E of the electric field just off the center of the plate (at, say, a distance of 0.50 mm from the center) by assuming that the charge is spread uniformly over the two faces of the plate.

(b) Calculate approximately E at a distance of 40 m (large relative to the plate size) by assuming that the plate is a point charge.

Reference no: EM1368044

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