3.4 A DBS-TV receiving antenna has a circular aperture with a diameter of 0.6 m and operates at a center frequency of 12.2 GHz. The antenna has an aperture efficiency of 70%. a. Calculate the wavelength at 12.2 GHz. b. Calculate the gain of the antenna in decibels using the most accurate formula. c. Estimate the beamwidth of the antenna in degrees. d. Estimate the gain of the antenna in decibels using an approximation based on the beamwidth you found in part (c). If this figure does not agree with your result in part (b) explain why.

Q: List the minimum trade size Type EMT for each of the following applications. (Objective 12-1)…

A: As per Bartleby expert policy only first individual question is to be answered. So, answering only…

Q: A Step-down transformer is given and calculate 5:1 120 V 60 Hz V2 1 k? i. Peak load and D.C. load…

A: Since it is a step down transformer therefore V2<V1 and number of turns in primary will be…

Q: What components make up an ADT, exactly? Indicate your answer where indicated.

A: The ADT (Abstract data type)simply explains  which operations to conduct,  but not how. It doesn't…

Q: TRUE OR FALSE? Prior period error are corrected current and prospectively.

A: Prior period error It is defined as The financial statements prepared from deletion as well as…

Q: What type of terminal seal is shown here?

A: Given: What type of terminal seal is shown in figure?

Q: 5. Which of the following descriptions of a ground ring is correct? A. A ground ring is a circular…

A: A ground ring is a bare copper conductor that will encircle an entire structure underground and…

Q: Calculate the voltage drop of a 120/240 volts, three wire underground residential service installed…

A: Given: UnderGround service=Three Wire Cable = 2 AWG Aluminum URD Cableload Current (IL) = 80 ampone…

Q: Mention the applications of FET.

A: FET stands for field effect transistor. Applications of FET FET is used in the multiplexer. FET is…

Q: 3. What must be the speed of a six-pole 25-Hz synchronous generator? 500 грm a) b) 900 гpm c) 1200…

A: NOTE: “Since you have asked multiple question, we will solve the first question for you. If you want…

Q: The type of cable normally used as a service drop for a 120 to 40 V residential service entrance is…

A: Cables:- A conductor or collection of conductors used in electrical and electronic systems to…

Q: Look at the photos and answer the questions

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…

Q: a metal device box has four 12 AWG conductors, two internal clamps, and a duplex receptacle. Total…

A: A metal device box has four 12 AWG conductors. According to the national electric code table,…

Q: New dishwasher circuits can be wired directly to NM cable. The circuit breaker is the disconnect. No…

A: Circuit breaker Electrical safety device to protect an electrical circuit from damage due to…

Coulomb’s Law

Coulomb's law states that the attraction or repulsion force between two charged things is proportional to the product of their charges and inversely proportional to the square of their distance. It has an effect along the line that connects the two-point charges.