Ask a Question

For metals, the conductivity will be

in Education by
For metals, the conductivity will be (a) 0 (b) 1 (c) -1 (d) Infinity I had been asked this question in a job interview. My doubt is from Dielectric vs Conductor Wave Propagation topic in section EM Wave Propagation of Electromagnetic Theory Select the correct answer from above options Electromagnetic Theory questions and answers, Electromagnetic Theory questions pdf, Electromagnetic Theory question bank, Electromagnetic Theory questions and answers pdf, mcq on Electromagnetic Theory pdf,electromagnetic theory book pdf,electromagnetic theory pdf notes,electromagnetic theory lecture notes,electromagnetic theory of light,maxwell electromagnetic theory,electromagnetic theory proposed by,electromagnetic theory engineering physics,electromagnetic theory nptel

1 Answer

0 votes
by
 
Best answer
Correct option is (d) Infinity Best explanation: Metals are pure conductors. Examples are iron, copper etc. Their conductivity will be very high. Thus the metal conductivity will be infinity. Practically the conductivity of conductors will be maximum.

Related questions

0 votes
Q: In metals which of the following equation will hold good?
    In metals which of the following equation will hold good? (a) Curl(H) = J (b) Curl(J ... theory proposed by,electromagnetic theory engineering physics,electromagnetic theory nptel...
asked Nov 11, 2021 in Education by JackTerrance
0 votes
Q: Conduction in metals is due to
    Conduction in metals is due to (a) Electrons only (b) Electrons and holes (c) Holes only ... proposed by,electromagnetic theory engineering physics,electromagnetic theory nptel...
asked Nov 11, 2021 in Education by JackTerrance
0 votes
Q: In metals, the total permittivity is
    In metals, the total permittivity is (a) Absolute permittivity (b) Relative permittivity (c) ... by,electromagnetic theory engineering physics,electromagnetic theory nptel...
asked Nov 6, 2021 in Education by JackTerrance
0 votes
Q: EM waves do not travel inside metals. State True/False.
    EM waves do not travel inside metals. State True/False. (a) True (b) False This question ... proposed by,electromagnetic theory engineering physics,electromagnetic theory nptel...
asked Nov 6, 2021 in Education by JackTerrance
0 votes
Q: The conductivity of a material with current density 1 unit and electric field 200 μV is
    The conductivity of a material with current density 1 unit and electric field 200 μV is (a) ... proposed by,electromagnetic theory engineering physics,electromagnetic theory nptel...
asked Nov 11, 2021 in Education by JackTerrance
0 votes
Q: The resistance of a material with conductivity 2millimho/m^2, length 10m and area 50m is
    The resistance of a material with conductivity 2millimho/m^2, length 10m and area 50m is (a ... proposed by,electromagnetic theory engineering physics,electromagnetic theory nptel...
asked Nov 11, 2021 in Education by JackTerrance
0 votes
Q: Compute the conductivity when the current density is 12 units and the electric field is 20 units. Also identify the nature of the material.
    Compute the conductivity when the current density is 12 units and the electric field is 20 units ... by,electromagnetic theory engineering physics,electromagnetic theory nptel...
asked Nov 11, 2021 in Education by JackTerrance
0 votes
Q: The conductivity in free space medium is
    The conductivity in free space medium is (a) Infinity (b) Unity (c) Zero (d) Negative ... theory proposed by,electromagnetic theory engineering physics,electromagnetic theory nptel...
asked Nov 6, 2021 in Education by JackTerrance
0 votes
Q: Calculate the attenuation constant of a conductor of conductivity 200 units, frequency 1M radian/s in air.
    Calculate the attenuation constant of a conductor of conductivity 200 units, frequency 1M radian/s ... by,electromagnetic theory engineering physics,electromagnetic theory nptel...
asked Nov 6, 2021 in Education by JackTerrance

© Copyright 2018-2023 www.Blogmepost.com. All rights reserved. Developed by Blogmepost.

...