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A 4- to 20-mA control signal is loaded by a 100 Ω resistor and must produce a 20- to 40-V motor drive signal. Find an equation relating the input current to the output voltage.
A P=900W electric motor with pf=0.82 lagging is connected to a 240 Vrms 60 hertz source. a) Draw an equivalent circuit showing impedance and phasor values for Vs, R and X. b) Find an Xc value to put in parallel with the motor which corrects the pf to..
A 300 Ω transmission line is connected directly to the 50 Ω input of a television set. Find the percentage of power traveling on the transmission line that is available to the TV set.
PSpice Use the values of C and L determined in Problem 29 to input the circuit of Figure 21-69. Use the Probe postprocessor to display the response of the capacitor voltage as a function of frequency. From the display, determine the maximum rms vo..
Simplify the Boolean function f(a,b,c,d)= sigma m(1,3,4,5,12,13) into a hazard free logic function and implement that function with two level NOR logic gates.
A, B, Bin, D and Bout are respectively the minuend, the subtrahend, the BORROW-IN, the DIFFERENCE output and the BORROW-OUT in the case of a full subtractor.
(a) find the value of a and K so that the relative damping ratio of the system is 0.5 and the rise time step response is approximately 1 s. (b) with the values of a and k found in previous question above , find the steady state of the system .
AC Circit analysis and max power transfer, If the output impedance of a certain driving circuit is 50 Ohm - j10 Ohm, what value of load impedance will result in the maximum power to the load?
Show that the series found in part (c) is equivalent to the trigonometric series for x(t).
Design a majority of 1s circuit such that the output F is 1when a majority of the inputs X,Y,Z are 1. Simplify thefucion to its minimum form using karnaugh map.
Considering an ideal transformer with impedance on the secondary, neglecting the winding resistances, leakage inductances and the core loss. N1/N2=3 For a voltage of 120V (rms) at a frequency of 60 Hz applied to winding 1
n electrical heater is connected to a constant 250-V sourceand absorbs 1000W. Subsequently, the heater is connected to a constant 220-Vsource. What power does it absorb from the 220-V source. What is the resistance of the heate.
A 600/120V, 60Hz transformer has a primary resistance of 0.4 Ohm, reactance of 0.9 ohm and secondary has a resistance of 0.8 Ohm and reactance of 1.2 Ohm. Find the secondary terminal voltage when it is connected to a load of 1500W at 0.8 lagging p..
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