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A block of mass m containing a net positive charge q is placed on a smooth horizontal table which terminates in a vertical wall as shown in figure (29-E2). The distance of the block from the wall is switched on. Assuming elastic collisions (if any) find the period of the resulting oscillatory motion Is it a harmonic motion?
Calculate the minimum number of PN bits required for each frequency hop for an FHSS system that employs a total bandwidth of 800 MHz and an individual channel bandwidth of 200 Hz. If this system uses MFSK modulation in conjunction with FHSS
Name three different applications that purposely make use of distortion in their amplifier circuits. Explain why amplifier distortion is desired in one of these applications.
Design a square wave generator that will provide a 4kHz square wave with a positive peak vlaue of +10V and negative peak value of -10V. You may use any number of op amps, resistors, and capacitors in this design.
A microwave transmitter has an output of 0.1W at 2GHz. Assume that this transmitter is used in a microwave communication system where the transmitting and recieving antennas are parabolas, each 1.2m in diameter.
Synchronous Satellite Link: Consider a 2 GHz link between asynchronous satellite and a ground station on the equator. The bandwidth of the up-link and down-link are the same. The orbital radius of the satellite is 36,000 Km and the radius of the E..
a. Neglecting resistance, determine the synchronous, transient and sub-transient reactances. b.If the machine is delivering 1.0 p.u. current at 0.8 power factor lagging at the rated terminal voltage when the short circuit is applied.
A 15 hp, 209V,three-phase,six pole, Y-connected induction motor has the following parameter values per phase: R1= 0.128 ohm, R'2=0.0935 ohm Xeq- X1 + X'2 = 0.49 ohm. The motor slip at full load is 3%, and the efficiency id 90%.
When you get to work one day you see that the station is delivering 6.0 MW of power with a power factor cosf=0.9. What is rms current. How much capacitance you should add in series to bring the power factor to 1.0. How much power the station will b..
Call setup is proportional to arrival rate and usagecost is proportional to traffic intensity. (a) what happens to total cost if arrival rate doubles, but holding time halves (b)what happens to total cost if arrival rate halves, but holding time d..
1. An SEdit schematic showing a properly constructed complex CMOS gate of your function. 2. Annotate the schematic with proper sizing parameters for each transistor to achieve behavior similarto a symmetric inverter
The speed of a 10HP, 230V, 1200 rpm separately excited DC motor is controlled by a 1-phase full-wave bridge converter. The rated armature current of the motor is 10 A. The armature resistance is 0.25 Ohm and the armature inductance is 10 mH.
design and construct a circuit for a cookie vending machine. The machine sells cookie for 75 Yen each. Assume that there are only 25, 50, and 100 Yen coins. Three different types of coins can be denoted by three different switches on the board, re..
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