If all closed-loop poles of a system are in the Left-Half plane and only one closed- loop pole is on the imaginary axis, this means that the system is unstable. Select one: True False
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- What's the maximum percent overshoot for this system with its closed-loop poles as shown? Jo Select one: O a. 64% O b. 15.7% O c. 14.9% O d. 33.6% O e. 21.5%Find the values of K₁ and K₂ to yield a peak time of 1.5 seconds and a settling time of 3.2 seconds for the closed-loop system's step response. R(s) + OK₁=0.8984, K₂=0.04 OK₁=0.5197, K₂=0.045 OK₁=0.5949, K₂=0.05 ⒸK₁=0.4218, K₂=0.06 K₁ 10 s(s+ 2) K₂s C(s)Open at t-0 A coil and a capacitor have been connected in parallel to a 12 V DC source for a long time as shown in circuit. At t-0 R Rin the DC source has been disconnected. If the coil has a resistance R=102 and the DC source has an internal resistance Rin= 60 2, then
- 1. A purely resistive circuit the current is leading by 90° with respect to voltage. 2. A purely inductive circuit the current is lag behind the voltage by 90°. 3. A purely capacitive circuit the current is lead by 90° with respect to the voltage. 4. A capacitor element stored magnetic energy. 5. An inductor element stored electrical energy. 6. Resistor elements consume power. 7. Angle between current and voltage is called power. 8. The power factor angle for a purely resistive is zero. 9. The power factor angle for a purely inductive load is -90°. 10. The power factor of a purely capacitive is leading.7. A coil having a resistance of 20 ohms and an inductance of 0.75 henry is connected in series with a 30-ohm resistor and to a 120-volt d-c source. A switch across the series resistor is then closed, and the circuit is assumed to be in a steady-state condition. At the instant the switch is opened, what will be the rate of current change and the power delivered by the magnetic field.In part 1 of this lab you will move a coil from well above to well below a strongpermanent magnet. You will measure the current in the loop during this motion using acurrent sensor. The program will also display the flux “measured” through the loop, eventhough this value is never directly measured. In this problem you will understand how.(a) Starting from Faraday’s Law and Ohm’s law, write an equation relating thecurrent in the loop to the time derivative of the flux through the loop.(b) Now integrate that expression to get the time dependence of the flux through theloop Φ(t) as a function of current I(t). What assumption must the software make (whatvalue must it arbitrarily set) before it can plot flux vs. time?
- Extra Problem: Calculate the frequency of oscillations for the square-wave generator circuit shown in the following Figure from Floyd's textbook. Also plot the output and capacitor voltage waveforms clearly showing the amplitudes and time-period. Assume R1 = 40 k2, R2 = 100 k2, R3 = 86 k2, C = 0.01 µF and Op Amp supply voltage is +/- 15V. R1 Vc o Vout R2 R3Draw a clockwise loop current #1 starting at point A and write the loop equationA series circuit consists of a resistor, a coil, and a capacitor connected across a 300 V, 60 Hz AC source. THe current drawn is 20A. The voltage across the resistor is 60 V, that across the coil is 260 V and that across the capacitor is 100V. The resultant voltage across the coil and the capacitor is 254.56 V. Determine (a) the resistance of the resistor, (b) the resistance and inductance of the coil, and (c) the resistance and capacitance of the capacitor.
- The following circuit corresponds to: Time left 0:51:55 Ic(s)→ of 2/s Vc( ) + 2/s O a. a 2F capacitor with an initial voltae v. (0)= 2V a 2F capacitor with an initial voltae v. (0)= 0.5V c a 0.5F capacitor with an initial voltae v. (0 ) = 2V a0.5F capacitor with an initial voltae v. (0 )= 0.5V d. e None of the other answers O Type here to searchA study has been conducted to measure and predict the hysteresis loops of the above circuit. The experimental and theoretical hysteresis loop data of the circuit are presented in Figure 3. (b) 0.4 0.2 -0.2 - Measured - Modeled -0.4 -300 -200 -100 100 200 300 H(A/m] Figure 3: Hysteresis loop of the circuit with a 400mT amplitude measured at 5Hz and the data predicted using a mathematical model. (1) Explain why such data trend was obtained as shown in Figure 3 and justify your answer. (ii) Propose the condition(s) when the magnetizing field is the strongest and justify your answer.Find the margin of K to keep the system shown in figure N°1 stable