1.

For wave propagation on grounded dielectric sheet, the equation to be satisfied by Ez , in the region of presence of dielectric 0 x d for the propagation to be in Z direction

A. ( <sup>2</sup>/ x<sup>2</sup> + <sub>r</sub>k<sub>0</sub><sup>2</sup> <sup>2</sup>) e<sup>Z(x,y)</sup>=0
B. ( <sup>2</sup>/ x<sup>2</sup> + k<sub>0</sub><sup>2</sup> <sup>2</sup>) e<sup>Z(x,y)</sup>=0
C. ( <sup>2</sup>/ x<sup>2</sup> k<sub>0</sub><sup>2</sup>+ <sup>2</sup>) e<sup>Z(x,y)</sup>=0
D. ( <sup>2</sup>/ x<sup>2</sup> + <sub>r</sub>k<sub>0</sub><sup>2</sup>) e<sup>Z(x,y)</sup>=0
Answer» B. ( <sup>2</sup>/ x<sup>2</sup> + k<sub>0</sub><sup>2</sup> <sup>2</sup>) e<sup>Z(x,y)</sup>=0


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