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Assume that a load Z absorbs power of 150 W at a lagging power factor of 0.8, and the voltage across the load Z is 220 Vms, 50 Hz. What must be the value of capacitor that needs to be connected in parallel with the load Z in order to raise the power factor to 0.95?
Assume that we will use a double-precision number for non-integer numbers (if you recall, this means a binary "scientific notation" with a sign bit, 11 exponent bits using an excess-1024 representation, and a 53-bit mantissa of the form 1.--52 bits-..
A transistor current source (also known as current ''sink'') was built with a 2N3904. The Ic was measured for different values of a load resistance. It was noticed that Ic was pretty much constant for the first 1900 ohms values
A 2.4KV, single-phase circuit suppllies a load of 250KW at a lagging power factor, and the load current is 160A. If it is necessary to improve the power factor, determine the following: (a)The uncorrected poer factor and reactive load.
Write the verilog code for a circuit that counts the number of 1s in a byte. Write the verilog code using a structural approach based on four Half-Adders, two 2-bit adders and one 3-bit adder. Write the test bench code to test the design.
A separately excited DC generator rated at 125V has an armature resistance of 0.75 ohms and a no load coltage of 140 VDC. What will the armature voltage will be at rated load
From what distance must the electron be red if it is to just fail to strike the plate?
The nameplate on a 50-MVA, 60-Hz single-phase transformer indicates that it has a voltage rating of 8.0-kV: 78-kV. An open-circuit test is conducted from the low-voltage side, and the corresponding instrument readings are 8.0kV, 62.1A, and 206kW.
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.
Shuffle a deck of cards and pick two cards at random. Observe the sequence of the two cards in the order in which they were chosen. (a) How many outcomes are in the sample space (b) How many outcomes are in the event that the two cards are the same ..
If voltage and resistance are measured as a means of indirectly measuring power, show again that if the relative uncertainties in the direct measurements are +2%, that the relative uncertainty in the indirectly measured power will be +6%.
For the function G(x) = x + 32 / x^2 A) Determine the relative minimum of G B) Describe the concavity for all values of x except zero
A shunt regulator utilizing a zener diode is biased on through a 100ohm resistor. Determine the change in the regulated output voltage for the two situations below a) VI changes +2.0 V, ILoad constant b) ILoad changes +100 mA, VI constan..
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