# Electrical Engineering

## Given the similar angle bridge of the following figure. find the equivalent series values of Rx

Question: Given the similar angle bridge of the following figure. find the equivalent series values of Rx, and Cx at balance> (Full answer: equations and calculation) Please answer the question and send it via E-mail from now till 8 April 2020 Answer:

## All other parameters remain identical, the ratio of voltage drop for an

Question: A generating voltmeter has(a) a linear scale(b) non-linear scale(c) no contact with high voltage electrode(d) (a) and (c) All other parameters remain identical, the ratio of voltage drop for an 8 to 4 stage Cockroft Walton circuit approximately is:(a) 2(b) 8(c) 4(d) 2.828 Answer: d) both (a) and (c) c) 4 The advantage of …

## Apply the duality property to the appropriate pair in Table 7.1 (Fourier Transforms Table)

Question: Apply the duality property to the appropriate pair in Table 7.1 (Fourier Transforms Table) to show that (a) 1/2[δ(t)+j/πt] ⇔ u(ω) (b) δ(t+T)+δ(t-T) ⇔ 2cosTω (c) δ(t+T)-δ(t-T) ⇔ 2jsinTω Answer:

## Design a state feedback controller for the system so that the closed-loop step

Question: Consider the system (a) Design a state feedback controller for the system so that the closed-loop step response has an overshoot of less than 5% and a 1% settling time under 4.6 sec. (b) Use the step command in Matlab to verify that your design meets the specifications. If it does not, modify your feedback gains …

## Consider the control system shown in Figure 6–106. Determine the

Question: Consider the control system shown in Figure 6–106. Determine the gain Kand time constant T of the controller Gc(s) such that the closed-loop poles are located at s = -2 ± j2. Answer:

## For the system shown in Figure P2.7, the springs are undeflected when x1 = x2 = 0

Question: Repeat Problem 2.7 for the system shown in Figure P2.8. Problem 2.7 For the system shown in Figure P2.7, the springs are undeflected when x1 = x2 = 0. The input is x2(t), the displacement of the left edge of M2. a. Write the equation governing the motion of M1. b. Write an expression for the force f2, positive sense to the …

## A causal LTI filter has the frequency response H(jω) shown in Figure P6.21.

Question: A causal LTI filter has the frequency response H(jω) shown in Figure P6.21. For each of the input signals given below, determine the filtered output signal y(t) Answer:

## Write a set of equations that describes this system in the standard canonical

Question: Consider the system in Fig. Figure (a) Write a set of equations that describes this system in the standard canonical control form as = Ax + Bu and y = Cx. (b) Design a control law of the form which will place the closed-loop poles at s = −2 ± 2j. Answer: