Ok I seriously think I am loosing my mind (simple combo circuit)

CybrWb · 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 · Apr 22, 2013

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 · Apr 22, 2013

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 · Apr 22, 2013

I think that you managed to swap the 100Ω and 150Ω resistors in part of the calculations in the first three rows.

Ok I seriously think I am loosing my mind (simple combo circuit)

CybrWb Thread Starter New Member

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WBahn Moderator

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