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/sci/ - Science & Math


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10202489 No.10202489 [Reply] [Original]

I need help finding the imedence seen by terminals a and B in the following. It is a practice problem from my book and I don’t know how to solve it without eliminating nodes a and b.

>> No.10202496

Impedence is 0.5, explanation to follow

>> No.10202498

>>10202496
bless you

>> No.10202504

>>10202498
you're welcome

>> No.10202537

>>10202504
sorry, are you still working on an explanation?

>> No.10202543

>>10202537
yes, sorry, also cooking

>> No.10202547

>>10202543
take your time, I'm interested in this as well.

>> No.10202549

>>10202543
no problem

>> No.10202550

>>10202547
you have a circuit analysis exam coming up too?

>> No.10202594

>>10202489
Just apply a voltage of 1 and calculate the current using kcl/kvl/etc. Then divide voltage ( = 1) by current

>> No.10202723

>>10202594
cant figure out how to distribute a complex number correctly. example -2j * (x-y)
is it (x-2j)-(y-2j) then to (x-y-4j)?

>> No.10202846

>>10202550
nah just interested lol

>> No.10202866
File: 2.23 MB, 4032x3024, 6E7CD43F-9A7E-48BB-B794-47F35EA3673B.jpg [View same] [iqdb] [saucenao] [google]
10202866

This is not turning out well

>> No.10202869

>>10202594
is this the same anon that was cooking?

>> No.10202894

>>10202869
I'm not the cooking anon

>> No.10202900

>>10202866
Not sure what you did there
Solving it on octave gives me Z = 4.69 - 0.98j

>> No.10203220
File: 764 KB, 1920x1280, 1526822790583.jpg [View same] [iqdb] [saucenao] [google]
10203220

Cute thread. Cant really help since I didnt learn much about circuit analysis, but I hope you guys figure it out!

>> No.10203252

>>10202489
delta-wye you absolute monkey
what is that middle symbol anyways?

>> No.10203256

This whole thread is pretty funny. Good bait, op

>> No.10203265

>>10203252
J6 ya chimp

>> No.10203391

>>10203220
hey thats a nice pic, gonna make my wallpaper, thanks anon