Explore topic-wise MCQs in Antennas.

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
Discussion
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>
Discussion
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
Discussion
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
Discussion
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.
Discussion
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.
Discussion
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>
Discussion
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} )
Discussion
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
Discussion
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
Discussion