The electric field lines in a plane perpendicular to the earth’s surface.
A. Elliptical polarization
B. Circular polarization
C. Horizontal polarization
D. Vertical polarization

1 Answer

Answer :

D. Vertical polarization

Related questions

Description : The electric field lies in a plane parallel to the earth’s surface. A. Elliptical polarization B. Horizontal polarization C. Vertical polarization D. Circular polarization

Last Answer : B. Horizontal polarization

Description : ______ polarization is employed in FM broadcasting A. Horizontal B. Vertical C. Circular D. Bidirectional

Last Answer : A. Horizontal

Description : _____ polarization is employed in AM broadcasting A. Horizontal B. Vertical C. Circular D. Omnidirectional

Last Answer : B. Vertical

Description : In horizontal-dipole antenna, the polarization is A. in the vertical direction B. in the horizontal direction C. circular D. measured at the center of the antenna

Last Answer : B. in the horizontal direction

Description : What is the polarization of a discone antenna? A. Vertical B. Horizontal C. Circular D. Spiral

Last Answer : A. Vertical

Description : Which antenna radiates an omnidirectional pattern in the horizontal plane with vertical polarization? A. Marconi antenna B. Discone antenna C. Horn antenna D. Helical antenna

Last Answer : A. Marconi antenna

Description : Pick up the correct statement from the following: (A) When the electric field oscillates in the direction of the electric vector, a plane polarised wave is formed (B) When the electric vector is ... right angles to the plane of incidence, horizontal polarization wave is formed (D) All of these

Last Answer : Answer: Option D

Description : What is meant by referring to electromagnetic waves as having circular polarization? A. The electric field is bent into a circular shape. B. The electric field rotates C. The electromagnetic wave continues to circle the earth D. The electromagnetic wave has been generated by a quad antenna

Last Answer : B. The electric field rotates

Description : A waveguide passive component that brings a smooth change in the direction of axis maintained perpendicular to the plane of polarization? A. L bend B. H bend C. T bend D. X bend

Last Answer : B. H bend

Description : Most AM broadcasts employ ___ polarization while most FM broadcasts employ ___ polarization of the radio wave. A. vertical, vertical B. vertical, horizontal C. horizontal, vertical D. horizontal, horizontal

Last Answer : B. vertical, horizontal

Description : The polarization of a discone antenna is _____. A. Horizontal B. Vertical C. Omni D. Directional

Last Answer : B. Vertical

Description : The polarization of a radio wave: A. Is perpendicular to the electrostatic field of the antenna B. Is the same direction as the electrostatic field of the antenna. C. Is the same direction ... field of the antenna. D. Is perpendicular to both the electrostatic and magnetic fields of the antenna.

Last Answer : B. Is the same direction as the electrostatic field of the antenna.

Description : What is meant by referring to electromagnetic waves as horizontally polarized? A. The electric field is parallel to the earth. B. The magnetic field is parallel to the earth. C. Both the electric and magnetic fields are horizontal D. Both the electric and magnetic fields are vertical

Last Answer : A. The electric field is parallel to the earth.

Description : What is meant by referring to electromagnetic waves as horizontally polarized? A. The electric field is parallel to the earth B. Both the electric and magnetic fields are vertical C. Both the electric and magnetic fields are horizontal D. The magnetic fields is parallel to the earth

Last Answer : A. The electric field is parallel to the earth

Description : What determines antenna polarization? A. The frequency of the radiated wave B. The direction of the radiated wave C. The direction of the magnetic field vector D. The direction of the electric field vector

Last Answer : D. The direction of the electric field vector

Description : In order to get maximum radiation to all surrounding points in the horizontal plane, the antenna used is a A. vertical loop B. vertical quarter-wavelength rod C. array which includes parasitic elements D. a horizontal Hertz dipole

Last Answer : B. vertical quarter-wavelength rod

Description : A vertical loop antenna has a A. unidirectional radiation pattern in the horizontal plane B. unidirectional radiation pattern in the vertical plane C. omnidirectional radiation pattern in the horizontal plane D. a bidirectional radiation pattern in the horizontal plane

Last Answer : D. a bidirectional radiation pattern in the horizontal plane

Description : Which of the following antennas receive signals in the horizontal plane equality well from all directions? A. Horizontal Hertz antenna B. Vertical loop antenna C. Vertical Yagi antenna D. A vertical antenna which is a quarter-wavelength long

Last Answer : D. A vertical antenna which is a quarter-wavelength long

Description : Which of the following antennas receives signals equally well from all directions in a horizontal plane? A. Hetz antenna B. Vertical Marconi antenna C. Yagi antenna D. Helical antenna

Last Answer : B. Vertical Marconi antenna

Description : While rotating the theodolite in the horizontal plane, the bubble of the bubble tube takes up the  same position in its tube, it indicates  (A) The rotation axis is vertical  (B) The trunnion ... (C) The line of collimation is perpendicular to vertical axis  (D) None of the above

Last Answer : (A) The rotation axis is vertical

Description : The angle of repose of a soil is the maximum angle which the outer face of the soil mass makes (A) With the horizontal (B) With the vertical (C) With the perpendicular to the inclined plane of the soil (D) None of these

Last Answer : Answer: Option A

Description : Network of a series of vertical and horizontal lines constructed perpendicular to each other is known as: (1) Grid system (2) Latitudes (3) Geographic coordinates (4) Longitude

Last Answer : Grid system

Description : A helical antenna is used for satellite tracking because of ______. A. Broad bandwidth B. Good front-to-back C. Maneuverability D. Circular polarization

Last Answer : D. Circular polarization

Description : Which does not use vertical polarization antenna? A. AM Broadcasting B. FM Broadcasting C. Mobile Communications D. Satellite Communications

Last Answer : B. FM Broadcasting

Description : A circular orbit around the equator with a 24-h period is called a/an A. elliptical orbit B. geostationary orbit C. polar orbit D. transfer orbit

Last Answer : B. geostationary orbit

Description : ___________ is a satellite that rotates around the earth in a low-altitude elliptical or circular pattern. A. Geosynchronous satellite B. Nonsynchronous satellite C. Prograde satellite D. Retrograde satellite

Last Answer : B. Nonsynchronous satellite

Description : Satellite orbits around the earth are ____ orbits. A. circular B. either elliptical or circular C. elliptical D. circular only

Last Answer : B. either elliptical or circular

Description : For a non-zero Ex component and zero Ey component, the polarisation is a) Parallel b) Perpendicular c) Elliptical d) Circular

Last Answer : a) Parallel

Description : The magnitude of the Ex and Ey components are same in which type of polarisation? a) Linear b) Circular c) Elliptical d) Perpendicular

Last Answer : b) Circular

Description : When the phase angle between the Ex and Ey component is 0 0 or 180 0 , the polarisation is a) Elliptical b) Circular c) Linear d) Perpendicular

Last Answer : c) Linear

Description : Assertion A charged particle is rotating in a circular path in uniform magnetic field. Then, plane of circle is perpendicular to the magnetic field. R

Last Answer : Assertion A charged particle is rotating in a circular path in uniform magnetic field. Then, plane of ... . If Assertion is false but Reason is true.

Description : What is the name of the horizontal and the vertical lines drawn to determine the position of any point in the Cartesian plane? -Maths 9th

Last Answer : The name of horizontal and vertical lines drawn to determine the position of any point in the Cartesian plane is x-axis and y-axis respectively

Description : Contour interval on a map sheet denotes (a) Vertical distance of contour lines above the datum plane (b) Vertical distance between two successive contour lines (c) Slope distance between two successive contour lines (d) Horizontal distance between two successive contour lines

Last Answer : (b) Vertical distance between two successive contour lines

Description : A circular loop of mass m and radius r in X-Y plane of a horizontal table as shown in figure. A uniform magnetic field B is applied parallel to X-axis

Last Answer : A circular loop of mass m and radius r in X-Y plane of a horizontal table as shown in figure. A uniform ... . `(mg)/(2pirB)` D. `(pirB)/(mgl)`

Description : Explain the difference in the earths climate change when the earths orbit changes from elliptical to circular?

Last Answer : Earth's eccentricity Eccentricity is defined as the difference in shape between an ellipse and a perfect circle. In a similar fashion to Earth's obliquity, the more uniform Earth's orbit is (more like a perfect circle), the less difference there is in climate change throughout the year.

Description : An ideal vertical curve to join two gradients, is (A) Circular (B) Parabolic (C) Elliptical (D) Hyperbolic

Last Answer : (B) Parabolic

Description : The shape of a vertical curve, is (A) Parabolic (B) Elliptical (C) Circular (D) Spiral

Last Answer : Answer: Option A

Description : The magnetic field of an antenna is perpendicular to the earth. The antenna’s polarization ___

Last Answer : is horizontal

Description : An electromagnetic wave is ________ polarized when the electric field lies wholly in one plane containing the direction of propagation. A. Horizontally B. Linearly C. Circularly D. Vertically

Last Answer : B. Linearly

Description : Rankine's theory of active earth pressure assumes (A) Soil mass is homogeneous, dry and cohesionless (B) Ground surface is a plane which may be horizontal or inclined (C) Back of the wall is vertical and smooth (D) All the above

Last Answer : Answer: Option D

Description : What is the approximate intensity of the magnetic field at the earth’s surface? A. 32,000 nT B. 62,000 nT C. 32,000 µT D. 62,000 µT

Last Answer : A. 32,000 nT

Description : A circular loop which is in the form of a major arc of a constant magnetic field B is applied in the vertical direction such that the magnetic lines o

Last Answer : A circular loop which is in the form of a major arc of a constant magnetic field B is applied in the ... `2 BIR sin(alpha//2)` D. None of these

Description : In S polarisation, the electric field lies in the plane perpendicular to that of the interface. State True/False a) True b) False

Last Answer : a) True

Description : Good grounding is important for A. horizontal antennas B. broadside array antennas C. vertical antennas D. Yagi-Uda antennas

Last Answer : C. vertical antennas

Description : What antenna radiates equally in all directions? A. Vertical antenna B. isotropic antenna C. Horizontal antenna D. Dipole antenna

Last Answer : B. isotropic antenna

Description : A one-quarter wavelength shunt-fed vertical Marconi antenna A. has maximum radiation in a vertical direction B. must have a horizontal receiving antenna for the best reception C. must use a receiving antenna for the best reception D. must have a vertical receiving antenna for the best reception

Last Answer : D. must have a vertical receiving antenna for the best reception

Description : What aircraft deviation is measured by an ILS localizer? A. Altitude B. Ground speed C. Vertical D. Horizontal

Last Answer : D. Horizontal

Description : One of the following is referred to as a major component of an optical time domain reflectometer A. Pulse generator and vertical plate B. Laser and horizontal plate C. Pulse generator laser D. Vertical and horizontal plate

Last Answer : C. Pulse generator laser

Description : In shipboard satellite dish antennas system, azimuth is referred as the _______. A. 0 to 90 degrees B. Vertical aiming of the antenna C. North to East D. Horizontal aiming of the antenna

Last Answer : D. Horizontal aiming of the antenna