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Two Parallel single-phase loads are supplied by a 480 volt RMS, 60 Hz, source. The two loads are:Load 1 : 15.0 kW at .6 lagging p.f.Load 2 : 25.0 kVA at .8 lagging p.f.1) the combined real power drawn y the loads in Kilowatts?2) the combined reactive power drawn by the load in Kilovars?3) the magnitude of the power factor of the combined load is?4) The rms value of the current drawn by the combined load in amperes is?5) the microfarads of capacitance required in parallel with the two loads to correct the power factor to unity is?
If it is possible to determine whether a circuit is in resonance given only the RMS values, explain how it could be done. If it is not possible, explain what further information you would have to have.
What is the primary source of distortion with a Class B amplifier. What are some ways the distortion can be minimized and discuss the tradeoffs that exist when implementing these distortion minimizing methods.
You are working with a design team on a new product and are assigned to design the power supply. The requirements for the power supply are as follows: Input AC: 115 V AC +- 10%, 50-60 Hz Outputs: +5 V DC at 100 ma, +-12 V DC
A system is described by the differential equation ty'(t)-8y(t)=x(t). Classify the system as to linearity, time-invariance and stability. Show that a system with exicitation x(t) and response y(t) described by y(t)=u(x(t)) is nonlinear, time invari..
In the electronics business, mark-up is in the order of 100% to 130% at each level of middleman. Let's say that it is 100%. Let's further say that your product passes through three levels of middleman, that your product is produced in accordance
Write a program sequence that places the value in Address $1500 into Accumulator A. Then, AND this value with the value in Address $1501. Save the result in $1502.
Derive an expression for the optimum value of the avalanche gain opt M for which the signalto-noise ratio (SNR) becomes optimum by using the following expression for the excess noise factor: Fa( M)=KM+ (1-K ) (2-1/M). Assume that M^3 >> M .
Control Systems and Laplace Transformations, What is the step response of a system whose transfer function has a zero at -1, a pole at -2 and a gain factor of 2?
Three single phase transformers with a turns ratio of 1:1 are connected to form a three phase transformer. The transformer input is a three wire three phase 120V (line-to-line) system. the transformer output supplies a "Y" connected three phase lo..
You are an electrican working on a industrial plant. A circuit contains eight incandescent lamp connected in series across 480v. one lamp has burned out and you must determine which one is defective. you have available a voltmeter, ammeter, and oh..
Describe the type of response that would exist if the values of Kp and Ki placed the roots on the boundaries determined in part 1. Note consider each boundaries may exhibit a different performance
The continuous-time sinusoid x(t) = cos(300?t) is sampled every Ts = 2.0 ms, so that x[n] = x(0.002n) For what other values of f in the range 0 Hz to 2.0 KHz does the sinusoid v(t)
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