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After absorbing a photon in excess of its bandgap energy, the photo excited electron in the conduction band (CB) of a semiconductor moves spontaneously to the interface between the semiconductor and
Two Loads are in parallel with a 2000 Volt sinusoidal source.Load 1 draws 40 Amps at 0.5 lagging power factor. Load 2 draws 15Amps at 0.8 leading power factor. (a) Make a table showing each load and
There is a circuit with a 12V DC battery,500mH inductor, a 45 ohm resistor, and a switch all inseries. Suppose the switch has been closed for a very longtime when a wire is connected over just the b
What is the time constant for a circuit composed of a real inductor (L=.4H and R=50ohms) and a 150 ohm resistor connected in series
There is a circuit with a 12V DC battery, 500mH inductor, a 45 ohm resistor, and a switch all in series. Suppose the switch has been closed for a very long time. What is the magnitude of the curre
A parallel RLC with R = 50kΩ and C = 32nF is connected toan ideal 5 mA current source, and is observed to be resonant atω = 50x103 rad/s. Determine the value of L and the circuitQ (qualit
determine the peak output voltage for bridge rectifier assuming the particle model what PIV rating is required for the diode the transformer is specified to have a 12Vrms secondary voltage for the
1 list and describe the three type o transformer 2 describe the relationship between the turns ratio of a transformer and its input output voltages 3 berifly explain the forward and reverse operation
Use a T Flip Flop obtained from the JK Flip Flop 74LS112 chip and design a 2 bit binary counter. Draw the circuit diagram of the 2 - bit binary counter and truth table of T flip flop and binary coun
Use a JK Flip Flop 74LS112 Chip and a NOT gate to design a D Flip Flop and using that D Flip Flop and designa shift register. Draw the circuit diagram of the shift register and the truth tables JK,
Assume we need to design a cellular system that covers an areaof Radius R=20 miles.For practical reasons (cost of BS , handoffcapability,etc.) ,each cell should cover at least an area of radiu
An Amplifier has an input voltage of 10mV rms and an output voltageof 5V rms across a 10-Ω load. The input current is 1μArms. Assume that the input and output impedances are purelyresistive
A home entertainment centerhas four different audio sources that can be played over the sameset of speakers. Each audio source, named A, B, C, and D, isconnected using 8 wires on which an 8-bit audi
One load absorbs 1.5kW at a 0.707 pf lagging. Determine: (a) the pf of the second load, (b) the parallel element required to correct the pf to 0.9 lagging for the two loads.
Three loads are connected in parallel to a 120<0degrees V rms source. Load 1 absorbs 60 kVAR at pf=0.85 lagging, load 2 absorbs 90 kW and 50 kVAR leading, and load 3 absorbs 100 kW at pf=1. (a) F
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