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How do the phase angle and current change as the resistance changese in a circuit where the frequency stays constant? How do these results differ from those in the case wehre the resisntace stays the same the the frequency changes?
In Astable multivibrator (using OP-AMP) and Butterworth 2nd order filter(using OP-AMP)(both high pass & low pass filter), both positive and negative feedback are given. But in Astable mutivibrator positive feedback dominates
The phasor voltage Vab in the circuit is 480 /0° V (rms) when no external load is connected to terminals a,b. When a load having an impedance of 100 j0 Ω is connected across a,b, the value of Vab is 252.9822 /-18.3449° V (rms).
An LTI (linear, time invariant) instrument has the following impulse response: h(t)=100e -100t +100e -50tsin(50√(3)*t)/√(3) -100e -50tcos(50√(3)*t) At time zero the system is excited with 0.1Hz cosine wave of amplitude 2.
let X(s) be the Laplace Transform of signals that are bounded (i.e. the poles of X(s) are on the left-hand s-plane). Find lim [as t goes to infinity)] y(t). Determine if the system is BIBO stable. If not, determine what makes the system unstable.
It is required to design a full-wave rectifier using a center tapped rectifier to provide an output voltage of 10 v. Find the required number of turns ration of the transformer. Assume that a conducting diode has a voltage drop of 0.7v. The ac lin..
At time zero the system is excited with 0.1Hz cosine wave ofamplitude 2. What is the output amplitude in steady state. How long does the system require toreach the steady state. h(t)=100e -100t +100e -50tsin(50√(3)*t)/√(3) -100e -50tcos(50√(3)*t)
Find a possible series RL circuit equivalent to N.
4-pole , 500 volts shunt motor has a simplex lap winding placed in 80 solts , each cotain 30 conductors . The shunt filed resistance and the armature resistance are 250 and 0.005 ohm respectively . the flux per pole is 0.001 webers
A three-phase 600VAC generator delivers 2000KVA at a lagging power factor of 81%. If the generator is 86% efficient how much horsepower is required to operate it If the generator outputs its rated voltage what would the line current
A. There are three part conveyor lines (1-2-3) feeding a main conveyor. Each of the three conveyor lines has its own counter. Construct a PLC program to obtain the total count of parts on the main conveyor. B. Add a timer to the program that will ..
find the shortest length L of the line open-circuited at its load end so that the input impedance of the line at frequency f = 5GHz is the same as the impedance of a capacitor of capacitance C=10pf of the same frequency.
Calculate the current in the output of the source before and after the installation of the new device and The temperature sensor output is a voltage which is equal to the temperature sensed by the sensor. Design an electric circuit which can get th..
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