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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
A walker's cassette tape player uses four AA batteries in series toprovide 6V to the player circuit. The four alkaline battery cellsstore a total of 200 watt-seconds of energy. if the cassette playe
A circle, centered at the origin with a radius of 2 units, lies in the xy plane. Determine the unit vector in rectangular components that lies int he xy plane, is tangent to thte circle at 3.
(a) Using the default power transistors, determine the minimum supply rail voltage required if TJ < 105oC is required. (b) If the supply rail voltage VS = (+-) 12V what is the minimum allowed load
The charge that pass through a circuit element is given by q(t) =0.01sin(200t) C, in which the angle is in radians. Find the currentas a function of time.
The charge entering the positive terminal of an element is q(t) =-30e-4t mC. If the voltage across the element is120e-2t V, determine the energy delivered to the elementin the time interval 0 < t
A coil wound on a magnetic core is excited with the followingAC voltage sources: a) 100 volts, 50 Hz, b) 110 volts, 60 Hz.Compare the hysteresis losses and eddy current losses (ratio) forthe two dif
A circle, centered at the origin with a radius of 2 units, lies in the xy plane. Determine the unit vector in rectangular components that lies in the xy plane, is tangent to the circle at (√3,
gear box has ratio 8:1 to the .9-m diameter wheels. ARMATURE HAS SOURCE WHERE THE VOLTAGE CAN BE VARIED FROM 0 TO600--IGNORE ALL LOSSES. A) DETERMINED REQUIRED VALUE OF kφ to give a speedof 12.5
A commutator motor with its armature supplied from variable voltage source. As the voltage is varied from 0 to 600V,the drive speed varies from 0 to 1600rpm, the field flux isconstant, all losses-ig