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A 10kW 220-V single-phase motor is operating at 0.7 lagging power factor. Find the value of the capacitor that needs to be connected in parallel with the motor , if the power factor is to be improve
How would you implement in the assembler a logical-shift-left(LSL) pseudo-operation for a machine that didn.t have this particular instruction Be sure your LSL instruction can shift up to W-bits whe
Design the simplest circuit that has three inputs x1,x2, x3, which produces an output value of 1whenever two or more of the input variables have the value 1;otherwise, the output has to be 0.
a certian voltage is +10V for 20ms and -10 V for the succeding 20msand continues osciallating back and forth between these two valuesat 20ms intervals. The voltage is present across a 50 ohmresistor
a fuse must be selected for a certain application. you may choosefrom fuses rated to "blow" when the current exceeds 1.5A, 3A, 4.5A,OR 5A. if the supply voltage is 110 V and the maximum allowable po
Consider a path with discrete points A,B,C,D and E. It takes 2 pJto move an electron from A to B or from B to C. It takes 3 pJto move a proton from C to D. It takes no energy to move an electron fro
a new type of battery delivers 10W of power for 8hr without voltageor current fluctuation. after 8 hr without voltage or current fluctuation. After 8 hr however the power output drops linearly from1
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 binar
A balanced, 3-phase, 3-wire, 60Hz, wye-connected source isserving a combination of balanced loads in various configurations.Measurement of the source line voltage indicates 480 voltsline-to-line. Me
Load 1: Wye-connected load that consumes atotal 3-phase power of 3.6 kW at 0.8 power factor lag, when the generator voltage is set so that the voltage at the load is 480volts line-to-line. Load 2: D
The manufacturer of a 9Volt dry cell flashlight battery saysthat the battery will deliver 20mA for 80 continuous hours. Duringthat time the voltage will drop from 9Volts to 6 Volts. Assume thedrop i
Find the unit impulse responses of two systems specified by these equations and comment on their similarities and differences: 1) (D2 + 4D + 3) y (t) = (D + 5) x (t) 2) (D2 + 5D + 6) y (t) = (D2 + 7D
An LTIC system is specified by the equation ( D2 +5D + 6) y (t) = ( D + 1) x (t) . (a) Find the characteristic polynomial, characteristic equation, characteristic roots, and characteristic modes for t
A sinusoidal signal x(t)=cos(100πt) is sampled at 80Hz and then reconstructed using a perfect lowpass filter with bandwidth 40 Hz. what is the equation of reconstructed signal and its frequency.
A pn junction diode and a Schottky diode have equal cross-sectional areas and have forward-bias currents of 0.5 mA. The reverse-saturation current of the Schottky diode isIS= 5× 10-7A. The dif
A full-wave rectifier is to be designed using the bridge circuit configuration. The peak output voltage is to be 9 V, the nominal load current is to be 100 mA, and the ripple voltage is to be limite
The power consumption of asingle-phase electric load fed from a 120 volt source representedby: P(t) = 100 (1-e-t/10) KW where t is the unit time inhours. Compute the energy consumed by the load over t
An amplifier has three amplification stages and a 1-dB attenuator in cascade. Assuming that all impedances are properly matched, what is the overall gain if the amplification factors are5, 10, and 6
Given a zero-pole diagram of a transfer function. Find the behavior of the transfer function at resonate frequency and find out whatthe resonant frequency.
Block diagram reduction technique find closed loop transfer function of the system whose block diagram - determine transfer function using Mason's gain formula and given parameters.
Given an 16-bit A/D converter and a ± 5 volt incoming signal. Suppose you want a minimum count on the A/DC toequal -5 V and a maximum count to equal +5V. a) How many states can this A/DC take
A 345-kV, three-phase transmission line delivers 500 MVA,0.866 power factos lagging, to a three-phase load connected to itsreceiving end termines. Assume that the load is Δ connectedand the vo
A meter has a resistance of 100Ω and gives a full scale deflection when it carries a currentof 25 μA. (a) What resistor, Rx, would you connect in parallelwith this meter in order to constru
What is the largest binary number which can be expressed with 13 bits What are the equivalent decimal and hexadecimal numbers
The charge entering the + terminal of an element is q(t) =-12e^-2t mC. if the power delivered to the element is p(t) =2.4e^-3t W. Compute the current in the element, the voltage acrossthe element an