Four resistances 10 Ω, 5 Ω, 7 Ω and 3 Ω are connected so that they form the sides 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
Text Solution
Verified by ExpertsThe correct answer is:
B
resistor and 
resistor are in series.
Therefore resultant is 
.
This 
equivalent resistance is in parallel with resistance 
in arm AC.
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