# Physics

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Four resistors each of resistance 4 Ù are connected to form a square loop. What is the equivalent resistance between two points on its diagonal AC or BD?

A-------------D
| |
B-------------C

That's what it looks like on my homework. Thank you in advance

• Physics -

R2=R(AB)+R(BC)= 4+4= 8Ω
1/R =1/R1 +1/R2= 1/8 + 1/8= 2/8= 1/4
R= 4 Ω

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