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What is the difference between stratified and random sampling and what were the similarities and differences between oneperquad and twoperquad? Be sure to explain pattern, dispersion, and density.
An electric motor is monitored with an ammeter, voltmeter, and wattmeter, which indicate 5.2 A, 120 V, and 480 W, respectively.Assume 60 Hz. a) Draw a phaser diagram of the voltage and current,assumi
a variety of measure mentdevices such as pressure gages, temperature gages, and flow meters which were based on various physical phenomenon and materialsproperties. research one industrial measuring
The company finds it efficient to periodically replace all the bulbs in the building at the same time. After how many ours should all the bulbs be simultaneously replaced to ensure that no more than
A pitot-static probe is used to measure the velocity of150 C water. If the reading of the connected pressure transducer is 20 cm of water, what is the water velocity Did you need to make any assumpt
A BCD-to-seven-segment decoder is a combinational circuit thatconverts a decimal digit in BCD to an appropriate code for theselection of segments in a display indicator used for displayingthe decima
Design a digital notch filter to reject frequency 5 kHz completely and to have a sharp recovery on either side of 5 kHz to a gain of unity. The highest frequency to be processed is 20 kHz.
An 8 - bit microcontroller has an external RAM with the memory map from 8000H to 9FFFH. what is The Number of bytes this RAM can store
Design an amplifier for a power gain of 15dB at 3 GHz if 1. Plot the input and output constant-Gain circles. 2. Find the input and output matching networks. use L C components.
Design a digital notch filter to reject frequency 5 kHz completelyand to have a sharp recovery on either side of 5 kHz to a gain ofunity. The highest frequency to be processed is 20 kHz.
Think of this device as the home router behind yourcable, DSL or FIOS modem. It is desirable to store at least256 IP addresses and port numbers, each requiring about 32 bytes ofinformation. Contrast
A typical 50,000 watt AM broadcast transmitter will generally have severallow power audio amplifier stages, a high power (~25,000 watt) audiooutput stage to generate the audio power that modulates t
a) Make a table showing each load and its complex power. b) Determine the total complex power and the overall power factor. c) Determine the magnitude of the total current supplied by the 600V source.
The sawtooth voltage pulse Vs(t) = 40t[u(t) - u(t-0.1)]V is applied to the series combination of R = 2Ω and C =0.05F. Find the two instants of time at which the capacitor voltage is 1 V.
At 2GHz, a certain material has εr=2.5,μr=1, tanθ=10-2. Calculate the distance a uniform plane wave can travel through the materialbefore a) its amplitude is reduced by 20%, b) the
apply the MACDtrading strategy to the closing price of QQQQ for the period from February 1, 2005 through September 1, 2005. What is the netgain over the time period assuming that your first order mu
using 25 nF capacitors and ideal op-amps, design a high pass unity gain butterworth filter with a cut off fq of 10 kHz and a gain of at least -25dB at 5kHz.
There is a generator with internal resistance, 50 Ohms. A matching load of 50 Ohms is connected for max power to be extracted. There exists 2 other resistors which do not equal to 50 Ohms; one res
2 coils are magnetically coupled. There are 2 possible conductance values when the coils are in series: 25 H and 23H. Calculate the value of coupling coefficient, K
a 60 Hz power generator is in series with a 800 Ohm resistor and 4 micro farad capacitor. Calculate the power concert.
An aluminum cylindrical strain gage load cell is to be specified tomeasure a force of 100,000lbs. The maximum stress in the metal isto be 20,000 psi, the modulus of elasticity is 9.5 x 106psi, and P
plot the output voltage for problem, when the supply voltage op-amp is (+ or -) 20V. however, the voltage gain is defined as Av = (Vout / Vin). and the output of the amplifier is limited by its voltag
If it is instrumented with four active strain gages on awheatstone bridge, two axial and two transverse as shown, with S,i.e. strain gage factor of 2.1, initial resistance of strain gagesR = 350 &Om
Four 1/2 W resistors are in series: 49-ohm , 64-ohm,109-ohm , and 125-ohm . To what maximum value can the current be raised before the power rating ofone of the resistors is exceeded
A car battery with a 14.2 V emf and aninternal resistance of 0.0380 is beingcharged with a current of 51.5 A. (a) What is the potential difference across its terminals