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A 22KVA, 2300/230 VAC, 60HZ transformer is tested with a short circuit test. The measured data are as follows: Psc=280W, Vsc=80VAC and Isc=9.5 A
1. Find the transformer turns ratio of the transformer
2. solve for the primary winding resistance R1.
3. solve for the secondary winding resistance R2.
4. solve for the primary winding reactance X1.
5.solve for the primary winding reactance X2.
In a game, half of the (large) pool of potential opponents are beginners, a third intermediates, and one sixth are masters. Your chances of beating them are 60% for beginners, 30% for intermediates, and 10% for masters.
CDMA is a multiple access technique to allow multiple users to share the same bandwidth, based on the orthogonality of their spreading codes. CDMA is a descendent of the direct sequence spread spectrum (DSSS) technology designed for antijam (AJ).
What is the clearance requirement for a 120/240 V, single-phase, three-wire service at the point of attachment to the building Over the driveway Over the main roadway
An amplifier with 40 dB of small-signal open-circuit voltagegain, an input resistance of 1M-ohm ,and an output resistance10-ohm drives a load of 100-ohm .What voltage and power gains(expressed in dB) would you expect with the load connected
Determine the location of the peaks in the following sampled spectrum for the following sine waves: (a.) signal frequency = 300 Hz; sampling frequency = 1 kHz (b.) signal frequency = 600 Hz ; sampling frequency = 1 kHz
Design and implement a vending machine (Moore FSM) with the following specification using VHDL. Accepts and returns only quarters Vends either Coke, or Pepsi, or a chocolate ba for a dollar Vends peanuts for 75 cents
How many liters of chlorine gas, Cl2, can be obtained at 40C and787 mmHg from 9.41 g of hydrogen chloride, HCl, according to the following equation 2KMnO4(s) + 16HCl(aq) à 8H2O(l) 2KCl(aq) 2MnCl2(aq) + 5Cl(g)
Explain the following terms; (i) critical radius of insulation. (ii) economic lagging thickness.
Consider a disk that is scheduled using the Shortest Seek First (SSF) policy. At time t, let the disk have the following requests in its queue: Request Cylinder R1 45 R2 39 R3 49 R4 52 R5 69 R6 35 R7 3 R8 66.
Draw the per-phase impedance diagram of the power system and Draw the impedance diagram in per-unit system
a. Describe the operation of a typical NMOSFET transistor used both as an amplifier and a switch. b. List the 3 regions of operation and draw the I-V characteristic curve. c. Show the effect of channel length modulation on your graph.
What are the respective advantages and disadvantages of the asynchronous and synchronous communication modes from a reliability perspective?
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