Engineering, 05.09.2019 01:30 juana2019
The following represent solutions of the transmission line differential equations for some arbitrary function f(u):
v(z, t) = 60 cos(1000t -5z) - 120 pi f (2t + z/100+12) v
i(z, t) = 2 pi f (2t +z/100 +12) - cos (1000 t -5z) a
(a) what is the forward propagating voltage waveform?
(b) what is the beckward propagating curent waveform?
(c) what is the characteristic impedence of this line?
(d) what is thw velocity of propagation for a signal on this line?
(e) what is the total voltage at t=0 at the input end of the line (z=0)
Answers: 1
Engineering, 03.07.2019 14:10
The y form of iron is known as: a) ferrite b) cementite c) perlite d) austenite
Answers: 3
Engineering, 03.07.2019 14:10
If the thermal strain developed in polyimide film during deposition is given as 0.0044. assume room temperature is kept at 17.3 c, and thermal coefficient of expansion for the film and the substrate are 54 x 10^-6c^-1 and 3.3 x 10^-6c^-1respectively. calculate the deposition temperature.
Answers: 3
Engineering, 04.07.2019 18:10
The temperature of air decreases as it is compressed by an adiabatic compressor. a)- true b)- false
Answers: 2
Engineering, 04.07.2019 18:10
For the closed feedwater heater below, feedwater enters state 3 at a pressure of 2000 psia and temperature of 420 °f at a rate of ix10 ibhr. the feedwat extracted steam enters state 1 at a pressure of 1000 psia and enthalpy of 1500 btu/lbm. the extracted er leaves at an enthalpy of 528.7 btu/lbm steam leaves as a saturated liquid. (16) a) determine the mass flow rate of the extraction steam used to heat the feedwater (10) b) determine the terminal temperature difference of the closed feedwater heater
Answers: 3
The following represent solutions of the transmission line differential equations for some arbitrary...
Biology, 17.12.2021 03:50
Chemistry, 17.12.2021 03:50
Mathematics, 17.12.2021 03:50
SAT, 17.12.2021 03:50
Mathematics, 17.12.2021 03:50
Mathematics, 17.12.2021 03:50
Mathematics, 17.12.2021 03:50