C Thread Starter CybrWb Joined Dec 4, 2012 14 Apr 22, 2013 #1 I know this is like STUPID simple stuff, but something is just not adding up, particularly I3..... Please tell me I am not going crazy. Attachments huh.png 17.2 KB Views: 35 Last edited: Apr 22, 2013
I know this is like STUPID simple stuff, but something is just not adding up, particularly I3..... Please tell me I am not going crazy.
Jony130 Joined Feb 17, 2009 5,221 Apr 22, 2013 #2 First we find Rt resistance Rt = R1 + R2||R3 = 150Ω + 100Ω/3 = 183.333Ω So It = I1 = Vt/Rt = 120V/183.33Ω = 0.65454545454A = 654.54545454mA Next you need to read this example http://forum.allaboutcircuits.com/sh...04&postcount=8
First we find Rt resistance Rt = R1 + R2||R3 = 150Ω + 100Ω/3 = 183.333Ω So It = I1 = Vt/Rt = 120V/183.33Ω = 0.65454545454A = 654.54545454mA Next you need to read this example http://forum.allaboutcircuits.com/sh...04&postcount=8
WBahn Joined Mar 31, 2012 26,398 Apr 22, 2013 #3 Where are the numbers at the bottom of your post coming from? Most of them are clearly wrong, assuming they are refering to the quantities that seem most reasonable.
Where are the numbers at the bottom of your post coming from? Most of them are clearly wrong, assuming they are refering to the quantities that seem most reasonable.
WBahn Joined Mar 31, 2012 26,398 Apr 22, 2013 #4 I think that you managed to swap the 100Ω and 150Ω resistors in part of the calculations in the first three rows.
I think that you managed to swap the 100Ω and 150Ω resistors in part of the calculations in the first three rows.