Electronic Series Parallel Combination Circuits Part 3 - Eeris Fritz

[Msprada1000]

the one who pushed the dislike button... it must have been an accident... ooooor you're jus' wayyyy too stupid -_-

[marc1bb]

My calculation is just isolating known values and calculating R1 BEFORE, other values.

[marc1bb]

IF R=V / I then R=100/2=50ohms.and it satisfies any of the equations, for V and for I where V=I x R 100= 2 x 50 or I = V/R-2=100/50.

[eefritz]

@marc1bb The video is correct. You and @orsonr1 can not simply add up the voltages. Watch the video again and pay attention to the parallel circuit. R3 & R4 are in series and then both are in parallel with R2. The total voltage drop over this portion is 20V due to this being a parallel network. The total voltage is 100 volts. So be careful when working with combination circuits. Watch the videos again and this time work along. You will realize your mistakes, then.

[AnnoyingXboxer]

See i hated math in school... But if i was learning math with THIS kind of stuff i would of enjoyed it because i would have seen benefit from it.

[pawns17]

This is a little more complicated then the way I was taught in class. Anyways it was a good refresh :)

[eefritz]

@pawns17 Great. This video sequence is focused on offering you a solid process for taking on any kind of combination circuit. I am happy that they are helpful! I will be filming more in 2012 focusing on digital logic circuits and boolean algebra.

[brahimAbe]

you made it too complicated for a simple basic theories in electrical physics

[wediotban]

could you please do some distance,velocity and time calculation please..thanks

[Lewis94UKHD]

I need help working out a unknown resistor in a parallel circuit! 

[orsonr1]

Voltage drop on R1 should be 20 volts and 10ohms resistance.

[marc1bb]

@orsonr1 Why?  explain

[marc1bb]

@orsonr1 formulas are R=V/i, R=100/2=50 or I=V/R where I=100/50=2 and V=IR =2x50=100 those values are the only values that satisfy the problem. When she adds the voltages she should get 100 instead of 120 like she did and did not pay attention to it.

[ruthDvS1]

THANK YOU! I got a test tomorrow and i really haven't understood this topic 'till i found your videos :DD

[smokedout616]

i have the series and parrallel down,but this combination circuit was messing me up..your video helped so much that you

[MexicanBearFighter]

again - that's fuckin' dope :)

[sunnyboy290]

tnx a lot for the info. int this video haha.

[SINIStER5577]

Great technique, This definitely helps. My midterm is this week coming and I'm glad I found this channel.

Thanks Eeris!!!

[mraufanmike]

Thank you Eeris. You are an awesome instructor. My understanding has been increased 100 fold and I have been working in the Industrial Maintenance Field for 30+ years.

[eefritz]

@mraufanmike

Thank you for your kind comments. I am so happy that these vids have helped. I am launching another group on youtube this next week re: understanding the physics of ohm's law, simple series circuits, and simple parallel circuits. This will help people with the basics that will build up to combination circuit analysis

.

[mfhc1970]

Thank you so much!!!!

[dragonfire836]

THANK YOU MISS EERIS FRITZ!!!!!!!!

[masonbatz]

Three does not equal two.. lololololol.

[TSFP12]

thank you so much ...*_*

[LonelyWolf699]

Hmm, something tells me that R2 & R3 should be flowing 0.5A or did I miss something!?

[LonelyWolf699]

It should be 0.5A each, that is!! (sorry for typo)

[MiddletownClown]

I am searching for similar videos that introduce multiple power sources, but this was a great explanation for a single series-parallel. Thnx =-)

[DarrenSinnott1]

Hey Eeris just wanted to say thanks for the 3 lessons on combination circuits. I missed a few classes in my basic electrical theory class due to poor weather and this was a great way to catch up. Keep up the great work. You made combination circuits very easy to understand.

Thanks

Darren

[brunolimabonnel]

u shouldnt put in the table the totals, can be confused to people whos beginning to learn electrical circuits

[Realpros]

Great information... :) tks

[josh71111]

wow thanks! I'm going try this method of problem solving, thanks!

[amansawa]

I get turn on by A SMART WOMEN, i AM YOUNG eLECTRICAL ENGINEERING WANT GET WITH YOU!

[amansawa]

she is cutie, just wonder if you have a man ?

[ontrac88]

So this was pretty simple but an excellent example. What I need is instead of the parallel resistors being equal in resistance, having maybe a 30ohm and a 5ohm. Then you would need to use Kirchoffs Current Law or Ohm laws. My instructor like to use KCL for complex ladder networks, I prefer Ohms law instead. He assures me KCL is much easier. I just don't understand the R opposite part of it once it's almost completely solved.

[fender7802]

thank you for this great video

[eefritz]

Kunal, there is no mistake. Watch the video again and follow along. Remember, this is a combination circuit. R2-4 offers a total resistance over that combo branch of 10 ohms with a voltage drop of 20V. You can't simply add up the voltages over each resistor in the table for the total because it is a combination circuit. The table is used to help us keep track over each resistor while we are doing the analysis. I would suggest you follow along again and pay attention to the 2nd & 3rd redraw.

[Kunal943]

i like how no one noticed that her voltage in the table adds up to 120, not 100! LOL

[speedisfun1]

@Kunal943 She is correct, you are right, the numbers in the voltage column add up to 120. However, that's not the way it works. Because R2 is in parallel with resistors R3,R4, those voltage values are equal (Voltage in a parallel circuit VT=V1=V2=V3=...VN). Look at the amps and resistance, the same thing is happening, the column total is different than IT or RT. What the 100v represents is the voltage at the source, not actual the total of all voltages.

[audigrad]

Thanks so much for your fantastic teaching! I had never tried the grid but it really helps!

[audigrad]

@Exutus There are two kinds of circuits: series circuits, which have the same current all through, but voltage drops that add up, and parallel circuits, which have the same voltage (energy) across but circuit (electron flow) that adds up. I just memorized that without understanding, then did the exercises, and slowly it is starting to make sense. You'll get it!

Water pressure is a little like electric current - think of how the flow of water gets less if you divide it into two pipes!

[bhenedick]

thanks...

Your explanation was so good and clear....

[Gunter2201]

Eeris fritz , excellent Job , Thank You helped a lot

[gecker]

nice works and very clear of instructions you made of. These surely encourage all those students having hard to solve a combination circuit problem. :)

[cwinson85]

GREAT vid, very helpful!!!