GCsE O Level economics Question Bank 1. What is meant by price elasticity of demand? [2marks] Price elasticity of demand is a responsiveness of quantity demanded due to change in price of a commodity. 2. What is meant by price elasticity of demand? [5marks] Price elasticity of demand is a responsiveness of quantity demanded due to change in price of a commodity. It can be calculated using a formula. % CHANGE IN QUANTITY DEMANDED PED = % CHANGE IN PRICE There are five types of elasticity
Premium Inflation Economics Unemployment
sketches where necessary to support your answers Silent electronic calculators may be used Students MUST answer ALL questions in Section A and any THREE in section B All questions should be answered using standard english DO NOT TURN THIS PAGE UNTIL YO ARE TOLD TO DO SO Section A: Short answer questions. Answer ALL TEN questions. 1. Draw a labeled diagram of an atom 2. Define Current and state its symbol and unit 3. Draw the symbol
Premium Resistor Alternating current Voltage
Chapter 3 Mobile Radio Propagation: Large-Scale Path Loss 1. (a) Explain the advantages and disadvantages of the 2-ray ground reflection model in the analysis of path loss. (b) What insight does the 2-ray model provide about large-scale path loss that was disregarded when cellular systems used very large cells? 2 .In a 2-ray ground reflected model‚ assume that must be kept below 6.261 radians for phase cancellation reasons. Assuming a receiver height of 2 m‚ and given a requirement that be less
Premium Radio Decibel Amplifier
is inspired to design a wireless battery charger. This wireless battery charger is expected to eliminate all the hassles with today’s battery technology. Wireless power is the transmission of electrical energy from a power source to an electrical load without a conductive physical connection. Wireless transmission is useful in cases where interconnecting wires are inconvenient‚ hazardous‚ or impossible. The problem of wireless battery charger differs from that of wireless telecommunications‚ such
Premium Alternating current Transformer Battery
Wired and Wireless‚ What’s the Difference? The main difference between a wired and wireless data communication infrastructure is the existence of physical cabling. The same or similar techniques are employed for both types of data communication infrastructure in terms of the core elements of essential network services. The basic difference between a wired and a wireless network is self-explanatory. A wired network uses wires to communicate whereas a wireless network uses radio waves. Another difference
Premium Computer network Ethernet Internet
Wireless network refers to any type of computer network that uses wireless (usually‚ but not always radio waves) for network connections. It is a method by which homes‚ telecommunications networks and enterprise (business) installations avoid the costly process of introducing cables into a building‚ or as a connection between various equipment locations.[1] Wireless telecommunications networks are generally implemented and administered using radio communication. This implementation takes place
Premium Mobile phone Cellular network GSM
1. Introduction The increasing interest in wireless sensor networks can be promptly understood simply by thinking about what they essentially are: a large number of small sensing self-powered nodes which gather information or detect special events and communicate in a wireless fashion‚ with the end goal of handing their processed data to a base station. Sensing‚ processing and communication are three key elements whose combination in one tiny device gives rise to a vast number of applications
Premium Wireless sensor network Sensor Sensor node
Communications * Consumer Electronics * Control Systems * Energy Conversion * Fuzzy Systems * Industrial Electronics * Instrumentation and Measurement * Intelligent Transportation Systems * Power Electronics * Power Systems * Robotics * VLSI Systems * Wireless Communications * MicroElectroMechanical Systems * Mechatronics Bio Medical * Bio Metrics - Finger Print‚ RFID‚ Voice * Robotics * Security System * Tele Communication * Communication * Unwired Zigbee‚ RFID‚ GSM‚ RF‚ Bluetooth‚ WIFI‚ GPS * Wired
Premium Wireless Control theory Home automation
IT530 Assignment-Unit 6 No Name Kaplan University Prof: Jeffrey Robinson 03/15/2014 IT530 Assignment-Unit 6 Introduction Wireless Security The concepts of wireless network security consist of commitment of cyber security and maintaining security based on the latest development and exploits against the network K.W. Ross‚ J. K. (2012). Wireless Network Security is based on the principles of cryptography‚ message integrity‚ authentication‚ securing e-mails‚ securing TCP connections:
Premium Wireless Wi-Fi Computer network
Question One a) “I paid $1500 for this economics course. Therefore‚ I am going to attend the lectures even if they are useless and boring.” This is not an example of sound economic thinking. The person has stated the lectures are “useless and boring”‚ implying that there are much more “useful” and “interesting” activities which could be foregone instead of attending the lectures. In other words‚ the speaker is not achieving maximum utility by attending the lectures. In this situation‚ the economic
Premium Economics