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A 50 KVA, 480/240 Volt, single phase transformer has an equivalent primary impedance of Z= 0.0188 + j0.09216 (core loss and magnetizing reactance are not included or factored in). Find out the voltage that must be applied to the high voltage winding in order to provide rated voltage at the load under full-load conditions at 0.80 lagging power factor.
For a new product sales are expected to be 2,000 products in year 1, increasing by 1,000 products each subsequent year to 5,000 products in year 4. Two different manufacturing equipment options are available a) Up front equipment purchase cost of $..
Modulating Radio Frequency Carriers to Carry Digital Data, Digital radio transmission requires the use of a carrier wave which is modulated by the digital data.
derive the BER (Bit Error Rate) of a 8-PAM (Pulse Amplitude Modulation) system in an AWGN (Additive White Gaussian Noise) channel.
a. Calculate the optimum refractive index of a single layer thin film antireflection coating for the silicon air interface at this wavelength. b. Calculate the optimum thickness of the layer.
Generate a sine wave signal with amplitude A=1, and frequency=0.1592Hz. Using a uniform PCM method, quantize it ot a) 8-level and b) 16-level. Plot the original signal and the quantized signals on the same axes
A causal linear time invariant discrete time system is said to havean overshoot in its step response if the response exhibits andoscillatory behavior with decaying amplitudes around a finalconstant value.
A 10kW, 230V, 50 Hz, three-phase induction motor has full-loadefficiency of 86%, and power factor of 88%. It is supplied by a three-core cable 100mlong, having conductors of cross sectional area 16 mm^2 andresistivity 17.2nΩ m.
Calculate the thermal-equilibrium electron and hole concentrations in a compensated p-type semiconductor. Consider a silicon semiconductor at T=300K in which Na = 10e16 cm-3 and Nd=3x1015 cm-3. Assume ni = 1.5 x1010 cm-3.
Design a clock that displays seconds from 0 to 30 on the FPGA 7-segment displays, with a reset button that resets the clock value at any time.
Signal transduction refers to any process of changing one signal to signal of another type. An example would be a series of pulsing lights into the sound for the word: "Help". Discuss how this transduction could be done by a device.
Create a function that transmits one byte to an HD44780 LCD controller using the following sequence. Allow one microsecond between each instruction. To clock in a byte: Set the E line low.
A silicon semiconductor resistor is in the shape of a rectangular bar with a cross sectional area of 1x10^-6 cm^2 a length of 0.1 cm and is doped with a donor concentration of 5x10^16 cm^-3.
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