Chapter 11, Problem 11.21P

Find v(t) for t> 0 in the circuit of Fig. below. Assume the switch has been open for a long time and is closed at t = 0. Calculate v (t) at t = 0.5. 10 V 202 www +21 t=0 60 ww 13 F بلا SV

Q: A rectangular waveguide with dimensions a = 2.5 cm, b = 1 cm is to operate at 15 GHz. σ = 0, E4, μ = 1 1- At which frequencies this type of TL (transmission line) operate ? 2- Why this this type is used in such frequencies? 3- Calculate phase constant for TE10 mode. 4- Calculate the phase velocity and wave impedance for the same mode.

K Q1/ For the system G(s)= (s+2)(s+4)(s+5) H(s)=1 a. Draw the Bode log-magnitude and phase plots. b. Find the range of K for stability from your Bode plots. c. Evaluate gain margin, phase margin, zero dB frequency, and 180° frequency from your Bode plots for K = 200

Q3/A unity-feedback system with the forward transfer function S(S+7) is operating with a closed-loop step response that has 15% overshoot. Do the following: a. Evaluate the settling time. b. Design a PD compensator to decrease the settling time by three times.

K Q2/ Consider the system G(S) H(S)=1.5 0.4923. S(S+1)(S+2) a. Evaluate the steady-state error for a unit ramp input. b. Design a lag compensator to improve the steady-state error by a factor of 10(increase the static velocity error constant Kv to about 10 times) to get a new dominant closed-loop poles. s=-0.3± j0.55. place the zero of the lag compensator at s=-0.05 c. if R1= 10K, R2=5K2, R3= 10K2 design the lag compensator using Op amp

If the switch in Fig. 4 has been open for a long time and is closed at t = 0, find vo(t). t=0 292 ww + ΔΩ 3F= Vo 12 V

A 3-phase, 50 Hz, 132 kV overhead line transpose system of bundle conductors .a radius of conductor is 0.5 cm. Calculate the total inductance of the line. 4m bi cl 4m Am bi

Control limits are to be established based on the average number inspected from the information in Exercise 8. What are these control limits and the central line? Describe the cases where individual control limits will need to be calculated.

Can you show why the answer is 3.55A