The directivity of the infinitesimal (ideal dipole) is equal to the directivity of short dipole, that is because O they have the same normalized field they have the same length O they have the same electric field O They have the same gain
Q: A transmitter is having a maximum dimention of 10 m and a far field distance of 56 m. What will be…
A: For any antenna, the far-field distance (df) is given by the following equation:
Q: At large distances, the electric potential of a dipole 2qa is given by V=-2k. qa 14- What is the…
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Q: 2. A radar is used for detect a unknown target of a typical radar cross section of 1 m2. Its…
A: given that frequency=8GHztransmitted power=850wattanteena gain G=28dBcross section σ=1m2
Q: Separation between the two charges in dipole moment is O very large None very small not small or…
A: The electric dipole moment for a pair of opposite charges of magnitude q is defined as the magnitude…
Q: What are the types of the log-periodic dipole antenna?
A: We need to tell about type of log periodic antenna .
Q: (b) SuppoSe that you are in the equatorial plane of Venus and you bounce a vo = 1GH2 radar signal…
A: the observed frequency of the EM signal is related to initial frequency of that source by Doppler…
Q: A lossless resonant dipole antenna, has the pattern of the antenna is given approximately by U=Bo…
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Q: Maximum dimension of antenna is 0.5m and operating frequency is 9 GHz, thus the the following…
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Q: The force exerted by a uniform electric field on a dipole is: A. parallel to the dipole moment B.…
A: Uniform electric field is a field which is uniform in all directions.
Q: Q3/ (1m) long dipole is excited by (1MHZ) current with an amplitude of (12 A). what is the max .…
A: Given Data: f = 1 MHz c = 3 x 108 Io = 12 A
Q: Length of a thin dipole antenna is 1/10th of its wavelength. Find the value of the radiation…
A: Radiation resistance of a thin dipole antenna is expressed in the following way:
Q: What is the approximate input resistance of a centre-fed folded dipole of length L = /3? Upload…
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Q: Dipole antennas are popular, can you justify why the half-wavelength dipole is the most popular…
A: In this question we will write why the half-wavelength dipole is the most popular dipole..
Q: Separation between the two charges in dipole moment is None not small or large very large very small
A: Given Separation between the charge in dipole moment
Q: A electric dipole consists of charges of magnitude 1048 nC separated by 6.23 µ?. It is in electric…
A: The magnitude of the electric dipole is given by the expression as shown below: p=qdq=magnitude of…
Q: The total dipole moment may reach a significant magnitude as a result of random .orientation True…
A: In random orientation the total dipole moment is the algebraic sum of all the dipole moments aligned…
Q: A thin dipole antenna having a length of one fifteenth of wavelength has a loss resistance of 2.5…
A: Antenna efficiency is a measure of how efficiently antenna can radiate. It can be expressed by the…
Q: efine dipole antenna with diagram and label
A: Dipole antenna: A dipole antenna (also known as a doublet or dipole aerial) is defined as a RF…
Q: Calculate the electric dipole moment to move from the ground state of rotation (Yoo) to the first…
A: From the given table -In state 00,The wavefunction is given by,Y00θ,ϕ = 12πIn state 11,The…
Q: 1- A small center fed dipole, can has a maximum directivity equal to t
A: As per our guidelines, we are supposed to answer only one question. Kindly repost other questions as…
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: An antenna has an efficiency of 88% and a power gain of 6 dBi. a)Find the directivity. b)Find the…
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Q: Consider a finite line charge of length L and linear charge density λ that lies along the dipole…
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Q: What are the applications of log-periodic dipole antenna?
A: There are many applications of log periodic dipole antenna due to its wide bandwidth.
Q: A Moving to another question will save this response. Quèstion 6 The presence of a few positive…
A: This is a basic problem of engineering materials.
Q: An isotropic antenna is transmitting 25 W of power. What will be the power density at 20m away from…
A: An isotropic antenna is an omnidirectional antenna. Therefore, the radiation is evenly spread out in…
Q: Example: Find beam solid angle and the maximum directivity Do if the normalised field nattern of a…
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Q: | The radiation resistance of an antenna is 80 2 and loss-resistance is 10 Q. What is :ts…
A: Given: RR=80 ΩRL=10 ΩG=20
Q: An isotropic transmitting antenna is transmitting 10 W of power. If the receiving antenna is located…
A: According to Friis transmission formula, the power received (Pr) by the receiving antenna located at…
Q: Radiation resistance of a dipole antenna is 4 ohm. Estimate the effective length of the dipole in…
A: The radiation resistance of a dipole antenna can be expressed as
Q: Find out the field strength at 1 km away from a isotropic station of 1 kW power. Solution. The field…
A: Given data: The power radiated by the isotropic station is P=1 kW=1000 W. The distance from the…
Q: 2.14. The normalized radiation intensity of an antenna is rotationally symmetric in ø, and it is…
A: Directivity of antenna: It is the power density of the antenna and its direction is a maximum…
Q: Magnitude of dipole moment is given by q/d O qd d/q None
A: A dipole in general refers to something that exist with two opposite poles or charges . Any two…
Q: The directivity of the infinitesimal (ideal dipole) is equal to the directivity of short dipole,…
A: Directivity of ideal dipole and short dipole has the same Directivity because they have the same…
Q: compute for the center frequencey and wavelength in a dipole antenna with 1 reflector and 1 director…
A: An antenna is a communication device that transmits and receives signals to represent data. In the…
Q: A 1-m long dipole antenna is driven by a 150 MHz source having a source resistance of 50 ohms and a…
A: length of antenna=1 m Frequency of source f=150 MHz Source resistance =50 Ω Source voltage =100 V…
Q: Q1/Explain why there's a difference between the impedance of a folded dipole and a A/2 dipole
A: Antenna arrays are a collection of various antennas. This results in the increase of amount of…
Q: 4.67. A vertical, infinitesimal in length (I = 1/50), monopole is placed on top of a police car, and…
A: It is given that: l=λ50f=10 MHzPrec=10μwatts
Q: A magnetic field strength of 5 µA/m is required at a point on 0 = n=2, 2 km from an antenna in air.…
A: As per our policy, I have to attain only 3 parts of the question. Given Data is- Magnetic Field…
Q: Find the maximum power gain for Hertzian dipole antenna with 0.2 m length at frequency of 2.4 GHz.…
A: Given,For a hertzian dipole antenna,Length=0.2mFrequency=2.4GHzRadiation intensity = 15…
Q: Fraunhofer region is defined as "that region of the field of an antenna where the angular field…
A: Fraunhofer region is define? Given statement is true or false?
Q: 5) The operating frequency of a Hertz dipole of length L = 2m is 1 MHz. For copper conductor, find…
A: Given: L=2 mf=1 Mhzσc=57 MS/mr=1 mm Step 1: Obtain skin depth Skin…
Q: Magnitude of dipole moment is given by q/d
A: 5) Magnitude of dipole moment p is defined as Magnitude of the charge q multiplied by the distance d…
Q: You are given 5 identical antennas (with the same structure and features) of unknown gain to be used…
A: Antenna:A conductor by which electromagnetic wave are sent out or received, consisting commonly of…
Q: A parabolic antenna having a circular aperture mouth has a power gain of 1000 for wavelength of 10…
A: Power gain (Gp) of a parabolic antenna having a circular aperture with aperture diameter D can be…
Q: A half-wave dipole, which has a total length of L= 2.00 cm. (i) Analyze the resonant frequency fr.…
A: Part (i): It is known that the antenna always works at the resonant frequency whether it is a…
Q: The directivity of the infinitesimal (ideal dipole) is equal to the directivity * of short dipole,…
A: The directivity of an antenna is the ratio of maximum radiation intensity to the average radiation…
Q: Dish antennas are a common type of antenna at high frequencies. (a) Explain the design and operation…
A: Design. A parabolic antenna operates by reflecting a point source of radio waves at the focal point…
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- An isotropic antenna is transmitting 25 W of power. What will be the power density at 20m away from the antenna? Please help. I don't understand what to do!!!!A 100-turn loop antenna of radius 20 cm operating at 10 MHz in air is to give a 50 mV/m field strength at a distance 3 m from the loop. Determine (a) The current that must be fed to the antenna (b) The average power radiated by the antenna.The presence of a few negative alignments of magnetic dipole moment is given by which materials? Paramagnetic Ferromagnetic Diamagnetic None of these
- A circular loop antenna with cross-sectional area 10 cm2 is absorbing power from electromagnetic radiation with a frequency of 2 GHz and generating an rms electric current of 50 μA in the electric circuit connected to the antenna. If the antenna is 5 km away from the source of the electromagnetic radiation, and the source is assumed to be a “point particle” radiating energy equally in all directions, what is the power (in kW) of the radiation emitted by the source? Assume that the antenna is in vacuum and is absorbing power with its maximum effective area.Consider a finite line charge of length L and linear charge density λ that lies along the dipole axis of an ideal dipole with dipole moment p →. The end of the line charge nearest to the dipole is at a distance d from the center of the dipole. Draw a clearly labelled Figure showing the setup. Calculate the electrical force between the two. Show all work in clear steps with justification. Show that the force reduces to an expected result when d >> L. Show all work in clear steps with justification.A dipole of moment p=-4ax+5ay+3az nCm is located at D(1,2,-1) in free space. Find V at (1,2,0)
- Example: A 31/4dipole is radiating into free-space. Input power to the dipole is 100 W. Assuming an overall efficiency of 50%, find the power density (in W/m?) at (r = 500 m, 8 = 60°, ¢ = 0)? Solution:A slab of dielectric material has a relative dielectric constant of 3.8 and contains a uniform electric flux density of 8nC/m^2. If the material is lossless; find: The average number of dipoles per cubic meter (n) if the average dipole moment is p=10^-29CmAn electric dipole with a dipole moment P = 2qai is placed in an electric field given by E = E0x1. Which of the following is the magnitude of the force acting on the dipole?