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A 500kVA ,7200-240V, 60Hz, transformer with 2.2% impedance was severly damaged as a result of a dead short across secondary terminals. Determinea) The short-circuit current;b) the required percent impedance of a replacement transformer that will maintain the low side short current to 60kA
calculate the resistor's resistance. If the bandwidth were cut to 25 kHz, determine the expected output meter reading.
a) If the excitation voltage E0 is equal to the terminla voltage ( 4kV ), what is the maximum real power which the motor can deliver without losing synchronism b) What is the rotor pole shift in electrical degrees, corresponding to the nominal loa..
A TTL gate with VIH (min) = 2.25 V and VIL (max) = 0.65 V is being driven by a gate with VOH (min) = 2.4 V and VOL (max) = 0.4 V. What is the maximum amplitude of noise spikes that can be tolerated on the inputs in both the HIGH and LOW states
What value of emitter resistor would you choose, if: a) You have to amplify the signal of a microphone that has an internal resistance of 100K using a Common Emitter bias configuration b) you have to drive a load of 50 with an Emitter Follower cir..
The outputs of two "NAND" gates are connected to the inputs of an "Exclusive Or" gate. Each of the "NAND" gates has one input at a logic high level, and the other input at a logic low level. What is the output of the "Exclusive Or" gate?
Finite Difference Time Domain (FDTD) numerical method to develop for me a software program that simulates - evaluates Specific Absorption Rate (SAR) Distribution in a Human Head Near a Mobile Cellular Phone as a student project.
Need for radical future plans to alleviate the very real problem we are faced with in New Zealand and address this problem, by providing an answer to Transpower
The voltage V across a semi conductor in a computer is given by V= aI+BI^2, where I is the current (in A). If a 24 V battery is conducted across the semi conductor, find the current if a=4 ohms and B= 0.5 ohms/A.
A 3.5inch floppy disc has a nominal capacity of 2 MB. Note that there are eight bits to a byte. Estimate the area of magnetic material allocated to each bit of information. Clearly state any assumption made and carefully note any measured quantiti..
Show the design of a 2-1 Mux: (a) using a NAND/NAND implementation, (b) using a NOR/NOR implementation. Which would you prefer to build and why Assume that you have all variables and their complements available.
Analog to Digital Converters The input signals of an (10bits) ADC are from -1Volt to +1Volt. a) What is the rage of the converters b) What is the resolution c) What is the precision What is the value the minimal input signal variation that this ADC c..
What are the positive and negative implications of wireless energy?
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