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1. Compare Wi-Fi and high-speed cellular systems for accessing the Internet. What are the advantages and disadvantages of each?
2. Your company supplies ceramic floor tiles to Home Depot, Lowe's, and other home improvement stores. You have been asked to start using radio frequency identification tags on each case of tiles you ship to help your customers improve the management of your products and those of other suppliers in their warehouses. Use the Web to identify the cost of hardware, software, and networking components for an RFID system for your company. What factors should be considered? What are the key decisions that have to be made in determining whether your firm should adopt this technology?
a second instrument is required to measure the input signals up to 100Mz with an amplitude inaccuracy of less than 1% calculate the natural frequency requirements, if the damping retios are 0.3 and 0.6 respectively.
An npn BJT operating with its base-emitter junction forward biased, its base-collector junction reversed biased, and negligiblehole-electron recombination in the base has an emitter current composed of 98% electron flow and 2% hole flow.
a motorcycle battery delivers around 10 Volts DC, at an ampacity of about 500 Amps. this voltage goes through ignition (transformer) and it delivers about 30 KV to each spark plug. What is the turn ratio (Ns/Np) and the resulting ampacity on secon..
A 4.12 kV, 60 Hz, 3000-hp 0.8-PF-leading, Δ-connected, three- phase synchronous motor has a synchronous reactance of 1.1 per unit and an armature re at rated voltage with a line current of 300 A at 0.85 PF leading, what is the internal generated v..
Need a matlab code for CAMA\CD protocol. there should be 3 channel, 4 source. in this code i want to show how much data packet is transmitted and the number of collision and percentage of data loss.
1. The charge flowing in a wire is plotted in the Figure below. (a) Write the expressions for q(t) as a function of time? (b) What are the corresponding expressions for i(t)?
A transmitting antenna has a radiation resistance of 72 ohms, an effective resistance of 8 ohms, a directive gain of 20, and an input power of 100 watts. What is the antenna gain, radiated power, and EIRP
a 4 bit binary number is represented as A3,A2,A1,A0 whereA3,A2,A1 and A0 represent the individual bits where A0 is LSB. design a logic circuits that will produce HIGH output whenever the three binary number is greater than 0010
Two identical particles each with charge q are placed on the x axis. One at the origin and the other at x=5cm. A third particle with charge -q is placed on the x axis so the PE of the three particle system is the same as the PE at infinite separat..
A 3-kVA, 220:110-V, 60-Hz single-phase transformer yields this test data open-circuit test: 200 V, 1.4 A, 50 W short-Circuit test: 4.5 V, 13.64 A, 30 W Determine the efficiency when the transformer delivers a load of 2 kVA at 0.85 power factor laggin..
The return current is through the outer conductor, which consists of an infinitely thin cylindrical shell of radius b. Use Ampere's law to calculate the magnetic field intensity everwhere.
If LiC1.2H2O(s) and H20(1) are mixed isothermally at 298.15 K (25°C) to form a solution containing 10 mol of water for each mole of LiC1, what is the heat effect per mole of solution?
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