H:43) lamda = 2uC/m h = 20 cm R = 3cm
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H:43)
![The figure shows a long wire W and a Gaussian surface S.
The wire is electrically charged, with charge per unit length
= A.
[Data is given below.]
(a) Determine the electric flux, $ È • dÀ .
(b) Determine the electric field in cylindrical coordinates,
{Ep, E, Ez), for points on the surface, i.e., for p = R.
IS
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