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Goodwin oscillator:-
Consider the simple set of reactions
Assume further that Xn is a transcription factor that represses the production of protein X1 through transcriptional regulation (assume simple binding of Xn to DNA). Neglecting the mRNA dynamics of X1, write the differential equation model of this system and determine conditions on the length n of the cascade for which the system admits a stable limit cycle. Validate your findings through simulation.
For the following circuit with R1=1kΩ, R2=9kΩ, R3=10kΩ, R4=1kΩ, R5=1kΩ, V1=5V, and V2=10V, find current I and the voltage at node A.
An induction load consisting of a bank of induction motors consumes 50 kW at a power factor of 0.8 lagging from a 220-V (rms), 60-Hz single phase source. By placing a bank of capacitors in parallel with the load, the resultant power factor is to b..
Using nodal analysis and determinants, write a program to solve for the nodal voltages of the network of given figure (for any component values).
Given one has frequency response of a system (magnitude and phase), and a sine wave of a given frequency and phase is input, explain how to find the output.
a single phase 100 kVA, 1000/100 V transformer gives the following test results: Open Circuit test: 100V, 6.0 A and 400 W Short Circuit test: 50V, 100A and 1800W determine the rated current and voltage for high and low sides
Design a circuit whose output becomes 1 whenever it sees the totalnumber of odd 0s and the total number of even 1s. Design a circuit whose output becomes 1 whenever it sees the total number of odd 0sand the total number of even 1s.
Suppose the voltage across a telephone line at the subscriber drops from 48V to 10V when the phone goes off hook. If the telephone instrument has a resistance of 200 ohms when off hook and represents an open circuit
Can the motor be used?
Explain how to find a causal, stable LTI system with rational Laplace transform G(s), such that, at least,the magnitude frequency response of H(s) is inverted; i.e.,|G(jω)| = |H(jω)-1|. Hint First show that H(s) can befactored into a series combin..
If voltage and resistance are measured as a means of indirectly measuring power, show again that if the relative uncertainties in the direct measurements are +2%, that the relative uncertainty in the indirectly measured power will be +6%.
A 3.0 microFarad capacitor is connected in series to 100kohms resistor, a toggle switch, and a 24 V DC power supply. Determine I (t=Tow) and Vr (t=Tow), Vc (t=Tow). Determine I(t=2Tow, Vr(t=2Tow, and Vc(t=2Tow).
What is the largest peak value of impulse voltage that can be applied to a test object of 10nF - find the values of the wave front and wave tail resistances.
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