ANTENNAS AND WAVE PROPAGATION 1. Define an antenna. Antenna is a transition device or a transducer between a guided wave and a free space wave or vice versa. Antenna is also said to be an impedance transforming device. 2. What is meant by radiation pattern? Radiation pattern is the relative distribution of radiated power as a function of distance in space .It is a graph which shows the variation in actual field strength of the EM wave at all points which are at equal distance from the antenna.
Premium
Lab 4: Le Chatelier’s Principle Name: Cammey Mahowald Lab Partners: None Date of Experiment: March 16‚ 2015 Course: CHE 112 Abstract: The purpose of this experiment is to understand the components of a reaction at chemical equilibrium and use Le Chatelier’s principle to predict the direction an equilibrium position will shift upon changes in the concentration‚ temperature‚ and pressure. It was determined that in the equilibrium of chromate and dichromate it is an exothermic reaction and in the
Premium Chemistry Chemical reaction Temperature
1. A 1.08 x 103 kg car uniformly accelerates for 12.0s from rest. During this time the car travels 132 m north. What is the net force acting on the car during this acceleration 2. A net force of 12 N is exerted on and to cause it to accelerate at a rate of 0.03 m/s2. Determine the mass of the encyclopedia. HYPERLINK http//fc.codmanacademy.org/branches/physicsofdriving2/pushingbuses.jpg INCLUDEPICTURE http//fc.codmanacademy.org/branches/physicsofdriving2/images/pagemaster/pushingbuses
Premium Automobile Internal combustion engine Classical mechanics
ELECTROMECHANICAL ANALYSIS LAB EMET 3424_70 TUESDAY‚ FEBUARY 20‚ 2001 8:00 – 9:50AM‚ SET 363 LAB#3 LVDT CALIBRATION PREPARER: Scott Greenberg Address: Mac S J5C4 Phone: 607-587-2615 E-mail: greenbse@alfredstate.edu INSTRUCTOR: Nicholas Reitter III Office: SET 3668 Phone: 607-587-4670 E-mail: reitten@alfredstate.edu LAB PARTNERS: Scott Nicastro Jonathan Ewen LAB #3 -LVDT CALIBRATION(REV.3).DOC – GREENBERG: 2 TABLE OF CONTENTS P REPARER: ...................
Premium Alternating current Direct current
Gabi Mejia Chem 101 Section ADF Lab 4: Weak Acid Unknown Procedure: When testing the acid‚ use only between 0.2 g and 0.3 g for each trial (get as precise a measurement as you can). The general procedure is to weigh out your acid‚ dissolve it in water‚ add a couple drops of the indicator (phenolphthalein)‚ and then add the sodium hydroxide until you note a color change (from clear to pink). When the color change occurs‚ you have added enough base to completely react with the acid (the endpoint).
Premium Sodium hydroxide Sodium Base
Tennison Humanities DC A3 Venus Figures Venus figures have been found in various places of the world‚ at different time periods. This implies that all cultures shared a common belief or a common thought of women and their bodies. The Venus figures are most popularly known to represent fertility. These figurines were typically made from soft stone (steatite‚ calcite or limestone)‚ bone‚ ivory‚ wood‚ or ceramic clays. The similarity of each Venus figurine from each time period shows how a common
Premium Venus figurines
A figure of speech is the use of a word or words diverging from its usual meaning. It can also be a special repetition‚ arrangement or omission of words with literal meaning‚ or a phrase with a specialized meaning not based on the literal meaning of the words in it‚ as in idiom‚ metaphor‚ simile‚ hyperbole‚ or personification. Figures of speech often provide emphasis‚ freshness of expression‚ or clarity. However‚ clarity may also suffer from their use‚ as any figure of speech introduces an ambiguity
Premium Figure of speech Rhetoric
After reading the discussions for the things in the Reckoning with Mestizaje gallery‚ I decided that the item that most correctly represents the term mestizaje would be the Zemi figure. A zemi is defined as being a deified ancestor revered in the Caribbean. Zemis were among the first indigenous objects collected by Europeans in the New World and sent back as curiosities. The figures originated in the Caribbean and were even prevalent in the lives of the Native peoples well before the Spanish conquest
Premium Culture Religion Mexico
the novel‚ a sixteen-year-old girl who has survived the alien apocalypse and is on a mission to rescue her five-year-old brother‚ Sammy. In the early pages of the novel‚ Cassie tells us that she has changed from the way she used to be—that she has become a killer. Given the context in which Cassie finds herself—kill or be killed—this increases our sympathy for Cassie rather than diminishing it. She is a teenage girl in unbelievable circumstances‚ and moreover she is an admirable teenage girl in
Premium Sibling Adolescence Childhood
Statues are erected to reflect and / or represent an event or character that it depicts. The St. Catherines City Hall statue‚ erected in 1886‚ represents a militia member from the Winnipeg 90th division named Private Alexander Watson. The statue of Private Alexander Watson should be taken down as it does not represent what was once intended. Also‚ there are other concerns that support the removal of the statue‚ with the restoration price being one of them. As well‚ modern thinking about Louis Riel
Premium Meaning of life