UNIT – II PART – A 1. Define antenna array. 2. Define broadside array. 3. Define end fire array. 4. Define the principle of pattern multiplication 5. Name & draw the different shapes of loop antenna? 6. What are the field components of loop antenna? PART – B 1. Derive the expression for radiation resistance of half wave dipole? 2. Deduce an expression for the radiation pattern of a broadside array with two point sources. 3. Deduce an expression for
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EGYPT AND THE PYRAMIDS Has it ever occurred to anyone who was the mastermind behind the great pyramids? Who could have built such a magnificent structure back then with such poor construction‚ transportation and organization. Well‚ I strongly advocate the concept of Egyptians building the Great Pyramids because there is plenty of evidence conveying
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The first red light camera ticketing system was put in use in New York City in 1993. Since then‚ 24 states and the District of Columbia have installed red light cameras‚ while another 15 have banned automated ticketing systems that include red light and speed cameras. You generally don’t find that kind of love-hate relationship without something murky going on‚ and murk is exactly what you step into when you ask this one simple question: Do red light cameras reduce accidents? That simple question
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Larissa Nichols “The ship! Never has she failed us! Never has her crew failed in showing their allegiance and belief in the country they served‚ or the honor they felt‚ in belonging to the ship that sheltered them‚ and whose decks they fought‚ where many gave their lives. To have commanded the Constitution is a signal of honor; to have been one of her crew‚ in no matter how humble a capacity‚ is an equal one. Her name is an inspiration.”[1] Throughout the last two centuries of our
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brought a lot of technology and industry development to Mexico. This helped Mexico’s economy. This was important because Mexico faced many problems in that time. Some problems were that there was no money in the country‚ the ports were insecure so the boats didn’t wanted to go out there‚ drains were bad so the city was flooded‚ the country have many debts‚ mining was a chaos‚ and they have political instability. When Porfirio came to power he helped the technology increase‚ the drainage problems and the
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During the early 1700s‚ there was a time commonly known as‚ “The Golden Age of Piracy.” During these years the amount of pirates sailing our seas grew exponentially. Also during these years the inspired pirates usually came from a privateering career‚ who also inspired other privateers to join as well. They are well known for pillaging and/or plundering other ships at sea. One of the more popular ones during this time was a man known as Blackbeard. His real name was Edward Teach‚ but it is also
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Lewis and Clark America and I were astonished; President Jefferson doubled the size of the country with one purchase‚ the Louisiana Purchase. To add to the excitement‚ Meriwether Lewis asked me‚ a poor boat builder‚ to go along on the journey to the West. What was I going to do? Even though I made boats for a living‚ I had never explored past my little town in Virginia. After much contemplation‚ I thought‚ this is my time to explore the endless possibilities in what we Americans call life. Thomas
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against two other crews from CBC and Norwood Morialta. Now I’m willing to bet that when 90% of you think of rowing‚ the childhood song comes into mind‚ “Row‚ Row‚ Row your boat gently down the stream.” This is a complete misconception on rowing given that the only passage that is truthful in the rhyme is the line: “Row‚ row‚ row your boat”. Rowing is not gentle. Rowing is not merry. Life is not a dream when you row. Basically rowing consists of 4:30am wake ups followed by intense fitness or water sessions
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Boats were a significant part of the exchange in Egypt‚ especially for royalty. Boats were used to make trading up and down the Nile more efficient‚ they also proved that since the royals had boats that they had control of resources that were needed to build boats. In areas where boats could not be used to transport goods‚ the ancient Egyptians used sleds. They used sleds since the had no concept
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The stones were then carried on boats down the Nile and hauled on a granite causeway from the river to the leveled site‚ using ropes and sledges and muscle. It is still a mystery as to exactly how these heavy stones were lifted into place as the pyramids took shape. Most people believed
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