MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Antennas knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Find skin depth of 5GHz for silver with a conductivity 6.1 107s/m and relative permittivity 1. |
| A. | 0.00091m |
| B. | 0.9113 m |
| C. | 0.319 m |
| D. | 0.1913 m |
| Answer» C. 0.319 m | |
| 2. |
Which of the following Maxwell equation is correct for a non-conducting and lossless medium? |
| A. | .D= <sub>v</sub> |
| B. | .D=0 |
| C. | D= <sub>v</sub> |
| D. | E=0 |
| Answer» C. D= <sub>v</sub> | |
| 3. |
Divergence of Magnetic field is ______ |
| A. | volume charge density <sub>v</sub> |
| B. | zero |
| C. | infinite |
| D. | dependent on magnetic field vector |
| Answer» C. infinite | |
| 4. |
In which of the following Integral form of Maxwell equations, the surface is closed? |
| A. | Amperes law |
| B. | Gauss Law |
| C. | Faradays Law |
| D. | Both Amperes and Faraday law |
| Answer» C. Faradays Law | |
| 5. |
Which of the Following Maxwell equation is for nonexistence of isolated magnetic charge? |
| A. | E=- (- frac{ partial B}{ partial t} ) |
| B. | H=J |
| C. | .D= <sub>v</sub> |
| D. | .B=0 |
| Answer» E. | |
| 6. |
Gauss for the Electric Field is given by ______ |
| A. | .D=0 |
| B. | D= <sub>v</sub> |
| C. | D=0 |
| D. | .D= <sub>v</sub> |
| Answer» E. | |
| 7. |
Gauss for the Magnetic Field is given by ______ |
| A. | .B=0 |
| B. | B= <sub>v</sub> |
| C. | B=0 |
| D. | .B= <sub>v</sub> |
| Answer» B. B= <sub>v</sub> | |
| 8. |
Which of the following Maxwell equation is obtained from Amperes law? |
| A. | H=J |
| B. | emf= (- frac{ partial phi}{ partial t} ) |
| C. | E= ( frac{- partial B}{ partial t} ) |
| D. | D= <sub>v</sub> |
| Answer» B. emf= (- frac{ partial phi}{ partial t} ) | |
| 9. |
The minus sign in the Faradays law of induction is given by ______ |
| A. | Lens Law |
| B. | Gauss law |
| C. | Amperes Law |
| D. | Gauss law |
| Answer» B. Gauss law | |
| 10. |
The Maxwell equation E= ( frac{- partial B}{ partial t} ) is derived from which law? |
| A. | Amperes law |
| B. | Faradays Law |
| C. | Lens law |
| D. | Gauss law |
| Answer» C. Lens law | |