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

Show answers

Another question on Engineering

Engineering, 03.07.2019 14:10

When at a point two solid phase changes to one solid phase on cooling then it is known as a) eutectoid point b) eutectic point c) peritectic point d) peritectoid point

Answers: 3

Answer

Engineering, 04.07.2019 18:10

Apipe with an outside diameter of 15 cm is exposed to an ambient air and surrounding temperature of -20°c. the pipe has an outer surface temperature of 65°c and an emissivity of 0.85. if the rate of heat loss from the pipe surface is 0.95 kw per meter of length, the external convective heat transfer coefficient (h) is: (a) 12.5 w/m"k (b) 18.6 w/mk (c) 23.7 w/mk (d) 27.9 w/mk (e) 33.5 w/mk

Answers: 1

Answer

Engineering, 04.07.2019 18:10

You are making beer. the first step is filling the glass carboy with the liquid wort. the internal diameter of the carboy is 15 in., and you wish to fill it up to a depth of 2 ft. if your wort is drawn from the kettle using a siphon process that flows at 3 gpm, how long will it take to fill?

Answers: 1

Answer

Engineering, 04.07.2019 18:20

Refrigerant-134a enters the compressor of a refrigerator as superheated vapor at 0.14 mpa and -10°c at a rate of 0.05 ka/s and leaves at 0.8 mpa and 50°c. the refrigerant is cooied in the condenser to 0.72 mpa and 26'c. it is then throttled to 0.15 mpa. sketch the t-s diagram for the system and evaluate: 6) the rate of heat removai from the refrigerated space (kw), it) the power input to the compressor (kw), ii) the isentropic efficiency of the compressor (%), and iv) the cop of the refrigerator.

Answers: 2

Answer

You know the right answer?

The following represent solutions of the transmission line differential equations for some arbitrary...

Questions