Calculate the ratio of efficiencies

Assignment Help Electrical Engineering

Reference no: EM131672661

Show all work. If you need to assume anything, state your assumptions clearly. Reasonable assumptions that are necessary to solve the problem will be accepted.

In all problems assume properties of free space (ε₀ = 8.854x10^-12 F/m, μ₀ = 4Π x10^-7 H/m, η₀ =377 Ω, phase velocity in air: 3 x10⁸ m/s

1. Two dipole antennas are given, both λ/2 in length, one operating at a frequency f₁, the second operating at a frequency f₂ >> f₁. Both are made of copper, have a radius b and a conductivity a. Calculate the ratio of their efficiencies. Copper has permeability and permittivity of free space.

Reference no: EM131672661

Questions Cloud

Why did racial slavery develop in the americas : How, when, and why did racial slavery develop in the Americas? Why did it develop in different ways at different times?

How the damage has affected the nervous system : Choose one of the five senses. (Hearing) Identify which nervous system structures are involved in that sensory system.

How much money can you withdraw from account : You have just turned 65 and an endowment insurance policy has paid you a lump sum of $400,000. If you invest the sum at 6%, how much money can you withdraw.

Name and describe the major structures of the middle ear : Describe the functional and anatomic differences between rods and cones.Name and describe the major structures of the middle ear.

Calculate the ratio of efficiencies : Calculate the ratio of their efficiencies. Copper has permeability and permittivity of free space - In all problems assume properties of free space

Which leadership approaches are you most comfortable : With which leadership approaches are you most comfortable? What are the implications for you if you were one of the leaders in this scenario?

Describe the general trends for cellular telephones : Omnitel Pronto Italia Case Questions - Describe the general trends for cellular telephones and cellular telephone usage in Europe in 1995

Calculate the discounted payback period : Capital budgeting methods, no income taxes. Yummy Candy Company is considering purchasing a second chocolate dipping machine in order to expand their business.

Discuss about the sociocentrism or egocentrism : Explain what could have been done differently and list some specific ways that these forms of thought can be eliminated from one's life.

User Account

All Pages