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Problem 21 Easy Difficulty

Taking $R=1.00 \mathrm{k} \Omega$ and $\boldsymbol{E}=250$ $\mathrm{V}$ Figure P 18.21, determine the direction and magnitude of the current in the horizontal wire between $a$ and $e$

Answer

\begin{array}{l}{0 I_{1}+5 R I_{2}+3 R I=-2 t} \\ {I_{1}=-0.01 A} \\ {I_{2}=-0.13 A} \\ {I=0.05 A \text { in orsumed dive then }}\end{array}

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Video Transcript

in this problem. We are going to kill Claire. The current passing from I had to be. Which is? I do. In order to complete this current, you have to apply the control. Sir. Will do law in the circuit. So let's apply this Khalil. In the first group off the circuit. Three minus two. I wanna minus in tow. I want minus. I do in tow. Three articles to zero. It can be written as to e minus 55 an hour plus three i two articles to zero. That's called a recording one. No. Applying the symbol for Luke to weaken right minus in tow. I to minus. I want into a tree. Are minus in tow to minus I three into four equals to zero, but simplified three Ivan are minus seven. I do are plus four. Three r He calls to zero their school and equipment too. Similarly applying the symbol in look tree We can write minus C minus in tow. I three months I too into four minus I trea. He calls to zero. So this will give us minus C minus 553 hour plus four by two are equals to zero That's cool. It equating three no multiplying equated to buy five an equation three by mercy. Did this equation tree and recording three by fool. And it didn't any. Both questions. We can get 15. I want our minus 1994 minus 40 equals to zero their school That equation for normal supplying question one by three and Eddie with equating full. That is, we will get Dewey minus tonight to our equals to zero more soul in this equation. For I too. We will get I do equals two. You divided by 55 No certain values off the E. And into this question we will get I do equals two, 250 world divided by five multiply. We turn a small three home So this will give us So I do equals two 50 million Bad. This is our answer

Other Schools
Top Physics 102 Electricity and Magnetism Educators
Elyse G.

Cornell University

Andy C.

University of Michigan - Ann Arbor

LB
Liev B.

Numerade Educator

Marshall S.

University of Washington

Physics 102 Electricity and Magnetism Bootcamp

Lectures

Join Bootcamp