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A 110-V rms, 60-Hz source is applied to impedance Z. The apparent power entering the load is 120 VA at a power factor of0.707 lagging. (a) Calculate the complex power. (b) Find the rms current suppli
An ideal synchronous machine delivers 250 kW of average power to a3.8 kV line-line, 60 Hz power system at a leading power factor of0.8. The machine has 8 poles. a) What is the magnitude of the curre
a) A personal computer with a monitor and keyboardrequires 60 W at 110V (rms). Calculate the rms value of the currentcarrried by its power cord. b) A laser printer for the personal computer in (a) is
design a counter which runs from 2 to 12 usingD-flip-flop. My doubt was whether to consider the unused state asdont care or to link to next state, meaning self correcting.When imake it as self corre
A synchronous generator has a rated outputof 250MVA, rated voltage of 13.8kV, a rated power factor of 0.85lagging and a synchronous speed of 1800rpm. what is the complex power output when operating
When a system has permanent part and a removablepart(such as a CD-Rom and a CD-Rom), it is important that thesystem be standardized, so that different companies can make boththe permanent and remova
A signal is to be sampled with an ideal sampler operating at 8000samples per second. Assuming an ideal low pass antialiasing filter,how can the sampled signal be reconstituted in its original form,
At a certain radian frequency, ω, a 25 Ohm resistor in parallel with a capacitor, C, has the same impedance as a 20 Ohm resistor in serires with a 0.01 F capacitor. What are the values of &ome
An ideal transformer is used for maximum power match of a 2880Ohm load to a source with a Thevenin Equivalent of 18 V and 20Ohms. (a) If the transformer primary has 140turns, how many turns are neede
A 20 V source with a Thevenin Resistance of 3 Ohms is set to the resonant frequency and connected to the RLC circuit. Draw the circuit diagram and determine the magnitudes of the voltage across the
An inductive load that draws 23 kW of power and 150 A ofcurrent is connected in parallel with another inductive load thatdraws 60 kW at 200 A. The combination is connected to a 600 Vsource. (a) Make
a motor consists of a coil with 200 turnsspinning a circular area with radius of 1.5cm.the loop carries anaverage current of 2.0 amps and rotates at 2000 rev/min in amagnetic field of 300 mv/c. how
show that the circuit delivers maximum average power to a load Zl = Rl + jXl when Rl = Rg and Xl = - Xg ii. show that maximum average power transfer theorem for ac circuits.( in both cases Vg and Zg
Use a relay that has doublepole double throw contacts to apply opposite polarity voltages tothe rotos of a small DCD motor upon the throwing of a singleswitch. Include a seperate ON/OFF switch in or
A piece of wave guide WG16 operating at 10GHz is used to make a wave guide termination by placing a thin resistive sheet at a distance 'd' from the short circuit. Calculate 'd' and the resistance pe
The output stage of an amplifier in an old radio is to be matched to the impedance of a speaker. If the impedance of thespeaker is 8 ohms and the amplifier requires a load impedance of3.2 kilo ohms,
The noise signal is measured to be 1.35 V. The output difference signal is 3.95 V and the common-mode output signal is0.95 mV. Determine the common-mode gain, the differential mode gain, the CMRR, a
What is the propagation delay fora 2 level 16-bit adder, using 4-bit carry look aheads and what are the components of the delay Assuming each gate introduces a unit time propagation delay.
Design a 25 W Class B public address amplifier with one input that will operate off of a pair of batteries of equal voltages and provide a voltage gain of 100. Assume that available op amps have aga
My 9year old son is very interested in science and is working on aproject that involves hooking up a motion sensor (PIR) to a clock alarm. The challenge is to get the PIR to de-activate a sounding a
The network is toanalyze each sequence of four binary digits and produce the corresponding 2's complement of the 4 bit sequence. Assume each 4bit sequence is occurring with the least significant bit
The state machine has two inputsignals, LEFT and RIGHT, that carry the driver's request fora left turn or a right turn. It also has anemergency flasher input, HAZ, that requires the tail lights to b
A 3-phase, 200 hp, 480 V, 6 pole, 60 Hz synchronous motor has asynchronous reactance x1= 1.5Ω and x2=1.5Ω. Neglect all losses. The motor is connected to an infinite bus, and it delivers
A coil of 20Ω and inductance of 212mH is connectedin parallel with a 106μF capacitor. The circuit is connected over a 180V, 50Hz(variable frequency source) supply. 1.) Calculate the total C
Given series circuit and parallel circuit consisting of a 100 ohm resistor and a 10 μF capacitor (100 mH inductor-parallel) and a v(t)= 50sin(1000t+0degree) V source, what is the RMS phasor volta