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A certain distribution transformer has nameplate data as follows:power rating 75KVAVoltage Rating 7200VAC/240VAC center tapped on the secondary for 240/120 VAC
impedance=4
It is desired to know the design impedence referred to the primary and to the secondary for basic engineering calculations and analysis
a. solve for the transformer impedance referred to the primaryb. solve for the tranformer impedance referred to the secondary
Design an active first-order RC low-pass filter (using a 741 op-amp) with a cut-off frequency of 10 kHz and a band-pass gain of 20 dB. Derive the step response and voltage transfer function.
Scenario/Summary: At least two of the following simulations must be attempted by the student. Verify Loop Analysis Method by MultiSim simulation Verify Superpposition Theorem Method by MultiSim simulation
(b) This voltage is measured using a defective voltmeter, which always indicates a lower reading than the actual value. Suppose the voltmeter reading is 2.5*10^(-4). Calculate the probability that the error is not more than 0.5 *10^(-4).
The bottom of the conduction band at one end of a silicon resistor is at the same energy level as the top of the valence band at the other end. What current flows through the resistor if the resistance is 1.12 kOhms
A byte containing 01100011 is right shifted (right-most bit first) into an 8-bit shift register with an initial state of 00110110 (01100011=>00110110) What does the shift register contain after three clock pulses
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Consider a regenerative Rankine cycle with a 600C and 4-MPa throttle, a 5-kPa condenser, and an open feedwater heater at 500 kPa. Turbine efficiencies are 85%. (a) Draw labeled, coordinated T-s and flow diagrams.
Design a 0-1-2-3-0 counter circuit using flip flops. Flip flop A (most significant bit) is to be a T flip flop and Flip Flop B (leats significant bit) is to be a D flip flop.
Design 3 stage amplifier with the following requirement input signal = 5 mV with R=10k ohms over all gain > 1000 power supply: Vcc = 5V, Vee = -5V Rin > 1 Mega Ohms Rout = 100 ohms 1st Stage BJT must use inverting
A cell phone transmits voice signals on a carrier. the transmissions lie inbetween 900MHz to 900.03MHz. What minimum sampling rate should be choosen so that the transmisions will be recoverable from the digital samles
The noise voltage in an electric circuit can be modeled as a Gaussian random variable with 0 mean and 10^-4 standard deviation. This noise passes through a half wave rectifier with the characteristics g(x) = { x, x>0 and 0, x
Design a micro grid of PV rated at 100KW of power and at 230 V AC using a PV module with the following voltage and current characteristics. Determine the following: Number of modules in a string for each PV type Number of strings in an array for ea..
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