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Given that a nonzero AC voltage source is applied, what can you say about whether the power, reactive and complex power are positive,negative, or zero for:A) a pure capacitor in series with a pure inductor.B) a capacitor in parallel with an inductor.C) an inductor in series with a resistor.
Absorption loss of metal shielding, A plane metal shield offers an absorption loss of 30 dB at a frequency of 10 kHz to normally incident radiated emission.
A 230kVA, 2300/230V, 60 Hz, step-down transformer has the following parameters. RH =1.2-ohm, XH =3-ohm, RL =12m-ohm, XL =30m-ohm, Rh+c=2k-ohm, , Xm =1.8k-ohm. If the transformer operates at half load with unity power factor
A complex electric field vector is given by E¯(¯r) =A/k * (ˆxk(z) - zˆk(x))e^-j(k(x)x+k(z)z) , where A is a complex number and k = µ is the real magnitude of the wave vector ¯k. a. What is the wave vector ¯k? b. What is the magnetic field
Determine the Polar form of the Impedance for the three components when they are Connected in series circuit and when they are connected in a parallel circuit. Determine it the final impedance is inductive or capacitive. Given: VPP = 400V, IRMS = ..
Consider an AlGaAs based heterostructure laser diode which has an optical cavity of length 200 microns. The peak radiation is at 870 nm and the refractive index of GaAs is about 3.7. What is the mode integer m of the peak radiation
Assume that when you measure a power supply voltage through a series of 1 Mega Ohms the voltage drops by half compared to the direct measurement. What is the input resistance of the meter
Discuss the factors that determine transformer efficiency. What are some sources of transformer losses and how can these can be reduced
A 600/120V, 60Hz transformer has a primary resistance of 0.4 Ohm, reactance of 0.9 ohm and secondary has a resistance of 0.8 Ohm and reactance of 1.2 Ohm. Find the secondary terminal voltage when it is connected to a load of 1500W at 0.8 lagging p..
What are the exact form of the equations for the 2nd-order step response for the underdamped, critically-damped, and overdamped conditions.
a. Convert all the per unit values to a common kVA of 100 and transmission side voltage base of 2500V b. To maintain one per unit voltage at rated load, find the per unit generator voltage needed.
An op-amp is to be selected for an inverting amplifier to be used at dc and very low frequencies. A closed-loop nominal gain of -100 is desired. Specification indicate that the error due to finite open-loop gain cannot exceed 0.1dB.
Describe the basic operation of the n-channel MOSFET, the relationship to VGS, VDS an IDS. This would include such things as accumulation, inversion, pinch-off point, etc. Which end is the drain
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