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Determine the inductive reactance (in ohms) of a 2-H coil for
a. dc and for the following frequencies:
b. 25 Hz
c. 60 Hz
d. 2000 Hz
e. 100,000 Hz
Find the number of poles required, when the frequency is 50Hz and speed of the induction motor is 500 rpm?
Design a circuit that will SAFELY convert the output of a 60-Hz6.3V (rms) transformer into a source of TTL-level pulses, all withrepetition rate of 60 Hz and in synchronization with the sine wavesthat come from the transformer.
Assume that the 50 Hz ac resistance of the line is 5% greater than its dc resistance, and calculate the series impedance of the line in ohms per km.
Let x(t) be a signal with x(t)=0 for t
Write the VHDL text file for a circuit to implement the arithmetic circuit that subtracts two 12-bit numbers (B from A) and adds a third 12-bit number (C) from the result. Use INTEGER types
20 pts using the symbol table on the right show the lc-3 assembly language generated by a non- optimizing c compiler
Take the wave speed on the string to be c = 1. (a) Sketch this initial shape and find the coefficients Bn, in its Fourier sine series (16.31). (b) Make plots of the sum of the first several terms for several closely spaced times between t = 0 and ..
Two long parallel wires A and B carry steady currents i a and i b , respectively, in the same direction . The distance between the wires is d. The wires exert forces on each other. Are the forces attractive or repulsive.
Design a synchronous 20-to-25 counter using the minimum number of DFFs.
A circuits is needed to realize the transfer function \(T_{v}(s)=\pm \frac{(s+125)(s+500)}{(s+250)(s+1000)}\) (a) Design a circuit using two OP AMPs (b) Design a circuit using only one OP AMP.
Sketch the temperature distribution for case 1 on T - x coordinates. Describe the key features of this distribution. Identify the location of the maximum temperature in the wall and calculate this temperature.
A 3-phase, 5 MVA, 11 kV, 60 Hz synchronous machine has a synchronous reactance of 10 Ohms per phase and has negligible stator resistance. The machine is connected to the 11 kV, 60 Hz bus and is operated as a synchronous condenser
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