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A thin, copper washer of inner radius R = 54.0 mm and
width d = 27.0 mm carries a unformly distributed total
charge Q-9.00 nC.
Determine the z-component of the electric field, Ez, due to
the washer at a distance z = 12.0 cm along the washer's
symmetry axis.
Ez =
-7.99 ×104
Incorrect
N/C
y
Z

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