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This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Microwave Engineering knowledge and support exam preparation. Choose a topic below to get started.
1. |
What is the cutoff frequency of TE mode of propagation if the relative permittivity of the slab is 3.2 and the thickness of the slab is 45 mm? |
A. | 2.24 GHz |
B. | 4 GHz |
C. | 1.12 GHz |
D. | 8 GHz |
Answer» D. 8 GHz | |
2. |
Cutoff frequency fC for TEM mode of propagation is: |
A. | Fc= (2n-1)c/4d r -1 |
B. | Fc= (2n-c)/2d( r-1) |
C. | Fc= (2n-1)/4d( r) |
D. | Fc= (2n-1)/8d r 1 |
Answer» B. Fc= (2n-c)/2d( r-1) | |
3. |
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 | |
4. |
Surface waves are typical by a field that decays ______away from the dielectric surface, with most of the field contained in or near the dielectric. |
A. | Linearly |
B. | Exponentially |
C. | Cubical |
D. | Field remains a constant |
Answer» C. Cubical | |