What is the Equivalent Resistance in a Series Circuit?

AI Thread Summary
The discussion revolves around calculating the equivalent resistance in a series circuit. A user is trying to find the equivalent resistance by combining resistors R2 and R3, initially calculating their total as 4 Ω. However, confusion arises regarding the arrangement of R1 and R4, with clarifications needed on their series and parallel connections. Participants emphasize the importance of understanding the configuration of resistors and suggest drawing diagrams to visualize the circuit better. The conversation highlights the necessity of correctly identifying series and parallel connections to accurately compute equivalent resistance.
Dr.Phy
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Hi guys,I'm new here and maybe I'm posting this homework in a wrong part of the forum.I tried to find the equivalent resistance.It may be a simple homework but I am learning first for the electricy physic.I tried to find Re first R2+R3=4 Ω and than found Re=1/4 Ω + 1/2 Ω + 1/2 Ω can i slove it this way? (P.s sorry for my bad english.)
 

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Dr.Phy said:
Hi guys,I'm new here and maybe I'm posting this homework in a wrong part of the forum.I tried to find the equivalent resistance.It may be a simple homework but I am learning first for the electricy physic.I tried to find Re first R2+R3=4 Ω and than found Re=1/4 Ω + 1/2 Ω + 1/2 Ω can i solve it this way? (P.s sorry for my bad english.)


R1 is not parallel with the resultant of R2, R3, R4. Check.

ehild
 
Can it be formed so?
 

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Dr.Phy said:
Can it be formed so?

Yes. :smile:

ehild
 
ehild said:
Yes. :smile:

ehild
Then I did it so:R23=2Ω +2Ω =4Ω and 1/Re=1/4Ω + 1/2Ω +1/2Ω = 5/4Ω Re=4Ω /5? Is this the right way of slowing it?
 
Dr.Phy said:
Then I did it so:R23=2Ω +2Ω =4Ω and 1/Re=1/4Ω + 1/2Ω +1/2Ω = 5/4Ω Re=4Ω /5? Is this the right way of solwing it?

No. What does parallel connection mean? Explain which resistors are connected in series and which are parallel.


ehild
 
R2,R3 are connected in series.And R4 R1 in paralel?
 
Dr.Phy said:
R2,R3 are connected in series.

Yes.

Dr.Phy said:
And R4 R1 in paralel?

No. The equivalent resistance of R2 and R3 is in parallel with R4. Do you see why?
 
Pranav-Arora said:
Yes.



No. The equivalent resistance of R2 and R3 is in parallel with R4. Do you see why?

Yes but i don't know how is it connected the R1,and how to find the eq reasistance of this circuit can u help me :/ .
 
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Dr.Phy said:
Yes but i don't know how is it connected the R1,and how to find the eq reasistance of this circuit can u help me :/ .

Draw figures after each reduction. R2 and R3 are in series as you said. Replace them with a single resistor and draw the figure.
 
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