A magnetic field strength of 5 µA/m is required at a point on θ = π/2, 2 km from an antenna in air. Neglecting ohmic loss, how much power must the antenna transmit if it is: (a) An infinitesimal dipole with length λ/50 (b) A dipole of l = 1.5λ (c) A half-wave dipole (d) A quarter-wave monopole

Q: The condition of circular polarization is. . * O Ex=Ey O phase angle 90 Ex=Ey and phase angle =+90…

A: Circular polarization is a state of being polarized in a circle: When the two orthogonal electric…

Q: 7. 4. 20 40 60 80 100 120 140 160 1

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Q: If the amplitude of the magnetic field in an electromagnetic wave in free space is 24 mA/m, enter…

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Q: The magnetic field along the propagation direction inside a rectangular waveguide with the cross…

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A: Given D =3zp cos(φ)aρ

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A: In this question we need to verify the given statement is true or false

Q: The plane wave with a frequency of 3 GHz has a relative dielectric constant of 2.5, a loss tangent…

A: The plane wave with a frequency of 3 GHz has a relative dielectric constant of 2.5, a loss tangent…

Q: A rectangular waveguide of cross section 20/3 cm x 5 cm is completely filled with a nonmagnetic…

A: Given, A rectangular waveguide of cross section 20/3 cm × 5 cm is filled with a non magnetic…

Q: B-A dielectric slab of dielectric constant & shown below is illuminated by an wave. Show that: i-…

A: Circuit is given as, Now, Suppose ε1 is the dielectric constant of air. And if θi=θt then it can…

Q: An antenna radiates in free space and 12 sin e - cos(27 X 10°t – Br)ag mA/m H = Find the…

A: Given: An antenna radiates in free space and H=12sinθrcos2π×108t-βraθ mA/m To find: The…

Q: : Assume that a certain half-wave dipole antenna has a radiation pattern given by U- Ba sin'o Find…

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Q: magnetization along the z−axis is always zero immediately after a π/2−pulse in any imaging sequence…

A: True

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Q: Distance between two points P (x = 2, y = 3, z = -2) and Q(p = 4, 9 =-50 , z=2) 3.05 6.78 7.29 8.17…

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Q: A magnetic field strength of 7 μA/m is required at a point on θ=  π/2, 4 km from an antenna in the…

A: The magnetic field  field strength due to half wave dipole is given by  Given  H = 7 u A  r = 4 K…

Q: EX The normalized radiation intensity of antenna is defined by U(0) = sin(0) find the HPBW FN B W

A: The given problem is from antenna theory.  The detailed solution is given in the next step

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Q: Calculate the value of frequency at which an electromagnetic wave must propagate through the…

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Q: According to the book the answers are (a) 6 x 108 m/s, (b) 1.5 x 108 m/s, (c) 13.04 GHz, (d) 2.65…

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Q: A plane wave propagate through a lossless medium with = 3 and μ = 1, the magnitude of the magnetic…

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Q: A thin, straight dipole antenna operates at 30 MHz in free space. The length and radius of the…

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Q: 4k, go

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Antenna Characteristics

The antenna is an important concept in the domain of electronics and communication engineering. An antenna forms an integral part of many commonly used devices such as wireless modems, routers, game controllers, mobile phones, bluetooth devices, and so on. In simple terms, any wireless communication makes use of antennas to serve the purpose. An antenna, also known by the term 'arial', is an electrical device that converts electrical signals into electromagnetic waves or electromagnetic waves into electrical signals. An antenna contains a transmission line usually made up of co-axial cable, it then receives the signals and converts them into electromagnetic waves, which are then transmitted via space into their required destination. A communication system essentially makes use of two antennas, a transmission antenna, which converts electrical signals into electromagnetic waves, and a receiving antenna, which receives the electromagnetic waves and converts them back into electrical signals.