Consider air and wood mediums, separated by a planar boundary in y-z plane (x axis is normal to the boundary) without a surface charge. It is known that the relative dielectric permittivity of air is approximately &,=1 unit and the relative dielectric permittivity of wood is approximately E,=2.6 units. In the air medium, the electric flux density is given with the expression below, Dair= 1 ex +5 ey +8 ez C/m2 Find the angle Dwood makes with the y-z plane?
Consider air and wood mediums, separated by a planar boundary in y-z plane (x axis is normal to the boundary) without a surface charge. It is known that the relative dielectric permittivity of air is approximately &,=1 unit and the relative dielectric permittivity of wood is approximately E,=2.6 units. In the air medium, the electric flux density is given with the expression below, Dair= 1 ex +5 ey +8 ez C/m2 Find the angle Dwood makes with the y-z plane?
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Transcribed Image Text:Consider air and wood mediums, separated by a planar boundary in y-z plane (x axis is normal to
the boundary) without a surface charge. It is known that the relative dielectric permittivity of air
is approximately &,=1 unit and the relative dielectric permittivity of wood is approximately E,=2.6
units. In the air medium, the electric flux density is given with the expression below,
Dair= 1 ex + 5 ey +8 ez C/m2
Find the angle Dwood makes with the y-z plane?
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