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1. (10) A Hertzian dipole antenna...
Solve the following: a. Compare the current required to radiate 10W from a Hertzian dipole of...
Solve the following: a. Compare the current required to radiate 10W from a Hertzian dipole of length 0.12 and a current loop of radius 0.12. b. An isotropic antenna is radiating in free space. At a distance of 100m the antenna the field measured is 1V/m. i) Find the power density at this location; ii) Determine the total power radiated by the antenna
1) A Hertzian dipole antenna is a short conducting wire carrying an approximately constant current over its length...
1) A Hertzian dipole antenna is a short conducting wire carrying an approximately constant current over its length If such a dipole is placed along the z-axis with its midpoint at the origin, and if the current flowing through it is i(t) ż lo cosot, assume I to be sufficiently small so that the observation point is approximately equidistant to all points on the dipole; that is, assume RR then the corresponding magnetic field is described by: olk2 sin e...
8. (6 points) A Hertzian dipole antenna in free space has /= 0.02. The following are in far-field: (a) What value of cu...
8. (6 points) A Hertzian dipole antenna in free space has /= 0.02. The following are in far-field: (a) What value of current I is necessary to radiate a total power of 60 mW? (b) What is the ratio of the magnetic field intensity, H, at the polar angles 0 = 10 degrees and 80 degrees (c) What fraction of the total radiated power is contained in the region 0 < 60 degrees (d) What is the radiation resistance, Rrad?...
9. (6 points) An antenna engineer is asked to design a X/2 dipole antenna to operate at 450 MHz. (a) Calculate the leng...
9. (6 points) An antenna engineer is asked to design a X/2 dipole antenna to operate at 450 MHz. (a) Calculate the length of the antenna if it is located in free space. (b) Calculate the magnetic field intensity, H, at a distance of 400km, polar position 0 = 30 degrees and current I = 2A (c) What value of the current I is needed for the total radiated power to equal 100 mW. (d) Determine the length of the...
Please show all steps 2.60. A 1-m long dipole antenna is driven by a 150 MHz...
Please show all steps
2.60. A 1-m long dipole antenna is driven by a 150 MHz source having a source resistance of 50 ohms and a voltage of 100 V. If the ohmic resistance of the antennas is given by RL 0.625 ohms, find the: (a) Current going into the antenna (/ant) (b) Power dissipated by the antenna (c) Power radiated by the antenna (d) Radiation efficiency of the antenna
can someone explain to me how #1 is solved. please dont just solve the problem, explain...
can someone explain to me how #1 is solved. please
dont just solve the problem, explain the steps to get the answer. I
have trouble understanding the concept
GENERAL CHEMISTRY STUDY CHEMISTRY STUDY SHEET NO. 16 How many mL of a 0.121 M Ba(OH), solution is required to completely new tralize 22.4 mL of a 0.210 M H.PO, solution? 2. Tt requires 27.5 mL of a NaOH solution to titrate 0.214 g of H.C.O. (MM = 90.01 molarity of the...
Can someone help explain what magnitude is and how to work out the problem and get...
Can someone help explain what magnitude is and how to work out
the problem and get the correct answer?
Sample Problem 1.01 Estimating order of magnitude, ball of string The world's largest ball of string is about 2 m in radius. Toball's builder most unhappy. Instead, because we want only the nearest order of magnitude, what is the total length L the nearest order of magnit ude, we can estimate any quanti of the string in the ball? ties required...
can someone explain which formula was used to solve this problem please. thank you An 80...
can someone explain which formula was used to solve this
problem please. thank you
An 80 kg human body uses about 14 MJ of energy per day. What is the average power of the human body? 162 W A B 591 W 9.72KW D 583 kW
Please solve and explain how its done. The figure below displays a thin conducting loop shaped...
Please solve and explain how its done.
The figure below displays a thin conducting loop shaped as an equilateral triangle with the edge length L=7.05 cm. It carries current I=13.5 A. 1 P L L What is the magnitude Bo of the magnetic field produced by this current loop at point o in the center of the triangle?: G. Bo= What is the magnitude Bp of the magnetic field produced by this current loop at point P outside the triangle...
Can someone please explain how to do this problem for my organic chemsitry class? Thank you!...
Can someone please explain how to do this problem for my
organic chemsitry class? Thank you!
1. Bra, CCl4 2 ExCSS Da MHz 3. H30* (quench) 4. NaNH2 5. CH₃ CH2 Br
Solve the following: a. Compare the current required to radiate 10W from a Hertzian dipole of length 0.12 and a current loop of radius 0.12. b. An isotropic antenna is radiating in free space. At a distance of 100m the antenna the field measured is 1V/m. i) Find the power density at this location; ii) Determine the total power radiated by the antenna
1) A Hertzian dipole antenna is a short conducting wire carrying an approximately constant current over its length If such a dipole is placed along the z-axis with its midpoint at the origin, and if the current flowing through it is i(t) ż lo cosot, assume I to be sufficiently small so that the observation point is approximately equidistant to all points on the dipole; that is, assume RR then the corresponding magnetic field is described by: olk2 sin e...
8. (6 points) A Hertzian dipole antenna in free space has /= 0.02. The following are in far-field: (a) What value of current I is necessary to radiate a total power of 60 mW? (b) What is the ratio of the magnetic field intensity, H, at the polar angles 0 = 10 degrees and 80 degrees (c) What fraction of the total radiated power is contained in the region 0 < 60 degrees (d) What is the radiation resistance, Rrad?...
9. (6 points) An antenna engineer is asked to design a X/2 dipole antenna to operate at 450 MHz. (a) Calculate the length of the antenna if it is located in free space. (b) Calculate the magnetic field intensity, H, at a distance of 400km, polar position 0 = 30 degrees and current I = 2A (c) What value of the current I is needed for the total radiated power to equal 100 mW. (d) Determine the length of the...
Please show all steps
2.60. A 1-m long dipole antenna is driven by a 150 MHz source having a source resistance of 50 ohms and a voltage of 100 V. If the ohmic resistance of the antennas is given by RL 0.625 ohms, find the: (a) Current going into the antenna (/ant) (b) Power dissipated by the antenna (c) Power radiated by the antenna (d) Radiation efficiency of the antenna
can someone explain to me how #1 is solved. please
dont just solve the problem, explain the steps to get the answer. I
have trouble understanding the concept
GENERAL CHEMISTRY STUDY CHEMISTRY STUDY SHEET NO. 16 How many mL of a 0.121 M Ba(OH), solution is required to completely new tralize 22.4 mL of a 0.210 M H.PO, solution? 2. Tt requires 27.5 mL of a NaOH solution to titrate 0.214 g of H.C.O. (MM = 90.01 molarity of the...
Can someone help explain what magnitude is and how to work out
the problem and get the correct answer?
Sample Problem 1.01 Estimating order of magnitude, ball of string The world's largest ball of string is about 2 m in radius. Toball's builder most unhappy. Instead, because we want only the nearest order of magnitude, what is the total length L the nearest order of magnit ude, we can estimate any quanti of the string in the ball? ties required...
can someone explain which formula was used to solve this
problem please. thank you
An 80 kg human body uses about 14 MJ of energy per day. What is the average power of the human body? 162 W A B 591 W 9.72KW D 583 kW
Please solve and explain how its done.
The figure below displays a thin conducting loop shaped as an equilateral triangle with the edge length L=7.05 cm. It carries current I=13.5 A. 1 P L L What is the magnitude Bo of the magnetic field produced by this current loop at point o in the center of the triangle?: G. Bo= What is the magnitude Bp of the magnetic field produced by this current loop at point P outside the triangle...
Can someone please explain how to do this problem for my
organic chemsitry class? Thank you!
1. Bra, CCl4 2 ExCSS Da MHz 3. H30* (quench) 4. NaNH2 5. CH₃ CH2 Br
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