Four resistance 10 Ω, 5 Ω, 7 Ω and 3 Ω are connected so that they form the side of a rectangle AB, BC, CD and DA respectively. Another resistance of 10 Ω is connected across the diagonal AC. The equivalent resistance between A and B is

Four resistance 10 Ω, 5 Ω, 7 Ω and 3 Ω are connected so that they

1.	Four resistance 10 Ω, 5 Ω, 7 Ω and 3 Ω are connected so that they form the side of a rectangle AB, BC, CD and DA respectively. Another resistance of 10 Ω is connected across the diagonal AC. The equivalent resistance between A and B is
A.	2Ω
B.	5Ω
C.	7Ω
D.	10Ω
Answer» C. 7Ω

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Four resistance 10 Ω, 5 Ω, 7 Ω and 3 Ω are connected so that they form the side of a rectangle AB, BC, CD and DA respectively. Another resistance of 10 Ω is connected across the diagonal AC. The equivalent resistance between A and B is

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