6.29 The magnetic field in a given dielectric medium is given|by \mathbf{H}=\hat{\mathbf{y}} 6 \cos 2 z \sin \left(2 \times 10^{7} t-0.1 x\right) \quad(\mathrm{A} / \mathrm{m}) where x and z are

in meters. (a) Determine E.(b) Determine the displacement current density Ja.(c) Determine the charge density py.