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engineering
electrical engineering
Questions and Answers of
Electrical Engineering
Given the following functions F(s) find f(t) F(s) = s2 + 7s + 12 / (s + 2) (s + 4) (s + 6) F(s) = 10(s + 2) / (s2 + 4s + 5)
Given the following functions F(s) find f(t) F(s) = 10 / (s2 + 2s +2) F(s) = 10(s + 2) / (s2 + 4s + 5)
Given the following functions F(s) find inverse Laplace functions. F(s) = 10 / (s2 + 2s + 2) F(s) = 10(s + 2) / (s2 + 4s + 5)
Given the following functions F(s), find f(t) F(s) = s(s + 6) / (s + 3) (s2 + 6s + 18) F(s) = (s + 4) (s + 8) / s (s2 + 8s + 32)
Given the following functions F(s) find f(t) F(s) = 6s + 12 / (s2 + 4s +5) (s2 + 4s +8) F(s) = s(s + 2) / (s2 + 2s + 2)
Use Matlab to solve Problem 12.19
Given following functions F(s), find f(t) F(s) = s + 1 / s2 (s+ 2) F(s) = s + 3 / (s+1)2 (s + 4)
Given the following functions F(s), find f(t) F(s) = s + 8 / s2 (s + 62) F(s) = 1 / s2 (s + 1)2
Given the following functions F(s), find f(t) F(s) = s + 4 / (s + 2)2 F(s) = s + 6 / s(s + 1)2
Given the following functions F(s) find f(t) F(s) = s2 / (s + 1) 2 (s + 20) F(s) = s2 + 9s 20/ s(s + 4)2(s + 5)
Find f (t) if F(s) is given by expression F(s) = s(s + 1) / (s = 2)2 (s + 3)
Find f(t) if F(s) is given by F(s) = 12(s +2) / s2 (s + 1)(s2 + 4s + 8)
Use Matlab to solve Problem 12.25
Find the inverse Laplace transform of the following functions F(s) = e-s/ s + 1 F(s) = e-s/ s + 1 F(s) = 1- e – 2s / s F(s) = 1- e – 2s / s F(s) = 1- e – s / s + 2
Find the inverse Laplace transform of the following function F(s) = (s + 1) e-s / s(s + 2) F(s) = 10e-2s / (s + 1) (s + 3)
Find the inverse Laplace transform f (t) if F(s) is F(s) = se-s / (s + 1) (s + 2)
Find f (t) if F(s) is given by the following functions F(s) = e-2s [s2 + 2s +3 / s(s + 1) (s +2)] F(s) = (s + 2) e-4s/ s2(s + 1)
Find f(t) if F(s) is given by following functions F(s) = e-s [2s + 1) / (s + 3) (s +2)] F(s) = 10(s + 2) e-2s/ (s + 4) (s + 1)
Solve the following differential equations using Laplace transform A d2y (t)/dt2 + 2dy(t)dt +y (t) =e-2t, y (0) = y t (0) = 0 A d2y (t)/dt2 + 4dy (t)/dt) +4y (t) =u(t), y (0) 0;y’ (0) = 1
Use Laplace transform to find y (t) if dy(t) / dt + 5y (t) + 4 ſ y(x)dx = u (t),y(0)=0,t> 0
Solve the integrodifferential equations using Laplace transforms. dy (t)/dt + 2y (t)+ſy(χ)dχ =1-e-2t, y(0) = 0,t>0
Determine the y (t) in the following equation if all initial conditions are zero. D3y (t)/dt3 + 4 x d2y (t)/dt2 +3dy (t)/dt =10e-2t
Find f (t) using convolution if F(s) is F(s) = 1/(s + 1) (S + 2)
Use convolution to find f (t) if F(s) = 1/(s+1) (s+2)2
Determine the intial and final value of F(s) given by the expression F(s) = 2(s + 2)/s(s + 1) F(s) = 2(s2 + 2s + 6)/s(s + 1) F(s) = 2s2 + s(s + 1) (s2 + 2s +2)
Find the initial and final value of the time function f (t) if F(s) is given as F(s) = 10(s +2) / (s + 1) (s +3) F(s) = (s2 + 2s +4) / (s + 1) (s3 + 4s2 + 8s +10) F(s) = 2s / (s2 + 2s +2)
Find the final values of the time function f (t) if F(s) is given as F(s) = 10(s + 1) / (s + 2) (s + 3) F(s) = 10 / s2 + 4s + 4
In the network in fig, the switch opens at t =0. Use Laplace transform to find I (t) for t>0.
The switch in the circuit opens at t=0. Find I (t) for t>0 using Laplace transforms.
In the circuit in fig, the switch moves from position 1 to 2 at t =0. Use Laplace transforms to find v (t) for t>0.
+In the network the switch closes at t=0. Use Laplace transforms to find Vc (t) for t>0.
In the network the switch opens at t=0. Use Laplace transforms to find iL(t) for t>0.
In the network the switch opens at t=0. Use Laplace transforms to find V0(t) for t>0.
The output function of a network is expressed using Laplace transforms in the following form. V0 (s) = 12 / s(s + 1)(s + 2) Find the output as a function of time v0(t).
The Laplace transform function representing the output voltage of a network is expressed as V0 (s) = 120 / s(s + 10) (s + 20) Determine the time domain function and the value of the v0(t) at
The Laplace transform function for the output voltage of a network is expressed in the following form Vo (s) = 12(s + 2) / s(s + 1) (s + 3) (s + 4) Determine the final value i.e. as , of this
Find the input impedance Z(s) of the network in fig 3.1.
Find the input impedance Z(s) of the network in fig 3.2 (a). when the terminals B-B’ are open circuited and (b). When the terminals B-B’ are closed circuited.
Use lap lace transforms to find v(t) for t>0 in the network shown in fig. Assume zero initial conditions.
Use lap lace transforms and node analysis to find i1(t) for t>0 in the network shown in fig. Assume zero initial conditions.
For the network shown in fig 13.5 find io(t),t>0.
For the network shown in fig 13.5 find Vo(t),t>0.
For the network shown in fig 13.5 find Vo(t),t>0. Discuss.
Find Vo(t),t>0 in the network shown in fig using node equations.
Find Vo (t),t>0 in the network shown in fig using node equations.
For the network shown in fig find Vo(t),t>0 using mesh equations.
For the network shown in fig find Vo(t),t>0 using mesh equations. Discuss.
Use loop equations to find Vo(t),t>0 in the network shown in figure below
Use loop equations to find Vo(t),t>0 in the network shown in fig.
Use mesh equations to find io(t),t>0 in the network shown in fig.
Use loop equations to find Vo(t),t>0 in the network shown in fig. Discuss.
Use loop analysis to find Vo (t),t>0 in the network shown in fig.
Use mesh analysis to find Vo(t),t>0 in the network shown in fig.
Use loop equations to find Vo(t),t>0 in the network shown in fig. Discuss in detail.
Use superposition to find Vo(t),t>0 in the network shown in fig.
Use source transformation to solve problem 13.19.
Use Thevenin’s theorem to solve problem 13.19.
Use Thevenin’s theorem to solve problem 13.11.
Use Thevenin’s theorem to find Vo (t), t>0 in the network.
Use Thevenin’s theorem to find Io(t),t>0 in the circuit shown.
Use Thevenin’s theorem to find Vo(t),t>0 in the network.
Use Thevenin’s theorem to find Vo(t),t>0 in the network. Discuss.
Use Thevenin’s theorem to find Vo (t),t>0 in the network.
Use Laplace transform to find Vo (t), t>0 in the network. Assume that the circuit has reached steady state at t=0-.
Find Io, (t),t>0 in the network.
find Io (t),t>0 in the network.
Use Thevenin’s theorem to find Vo(t),t>0 in the network. Discuss in detail.
Find Io(t),t>0 in the network.
Find Vo(t),t>0 in the network.
Find Vo(t),t>0 in the network. Discuss.
Find Vo(t),t>0 in the network. Explain.
Find Vo(t),t>0 in the network. Discuss briefly.
Find Vo(t),t>0 in the network. Briefly.
Find Vo(t),t>0 in the network
Find Vo(t),t>0 in the network. Discuss in detail.
Find Vo(t),t>0 in the network. Discuss it in detail.
Find Vo(t),t>0 in the network. Describe.
Determine the output voltage Vo(t) in the network in fig if the input is given by the source in fig.
Find Vo(t),t>0 in the network in fig if the input is represented by the waveform shown in fig.
Determine the output voltage Vo(t) in the network in fig if the input is given by the source in fig. Discuss.
Find the transfer function Vo(s)/Vi(s) for the network shown in fig.
Find the transfer function Vo(s)/Vi(s) for the network shown in fig. Discuss.
Find the transfer function Vo(s)/Vi(s) for the network shown in fig. Discuss in detail.
Find the transfer function Vo(s)/Vi(s) for the network shown in fig. Discuss briefly.
Find the transfer function Vo(s)/Vi(s) for the network shown in fig. Briefly.
Determine the transfer function for the network shown in fig. If a step function is applied to the network. What type of damping will the network exhibit?
Find the transfer function Vo(s)/Vi(s) for the network shown in fig. If the step function is applied to the network, will the response be over damped under damped, or critical damped.
The voltage response of the network to a unit step input is. V0 (s) = 2(s + 1) / s (s2 + 12s + 27) Is the response overdamped?
The transfer function of the network is given by the expression G (s) = 100s / s2 + 22s + 40
The current response of a network to a unit step input is I0 (s) = 10(s + 2) / s2 (s2 + 11s + 30) Is the response under damped?
The voltage response of a network to a unit step input is V0 (s) = 10 / s(s2 + 8s + 16) Is the response critically damped.
For the network in fig choose the value of C for critical damping.
For the filter in fig choose the values of c1 and c2 to place poles at s=-2 and s=-5 rad/s.
Find the steady state response Vo(t) for the network in fig.
Find the steady state response Vo (t) for the network in fig.
Find the steady state response Vo (t) for the network in fig. Discuss.
Find the steady state response Io (t) for the network shown the fig.
Find the steady state response Io (t) for the network shown the fig. Discuss.
Find the steady state response Io (t) for the network shown the fig. Discuss in detail.
Find the steady state response Io (t) for the network shown the fig. Discuss briefly.
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