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Find the equivalent resistance between node 1 and node 3 in the star connected circuit shown below.

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Find the equivalent resistance between node 1 and node 3 in the star connected circuit shown below.

(a) 30

(b) 31

(c) 32

(d) 33

The question was asked in an interview for job.

Enquiry is from Star-Delta Transformation in division Useful Theorems in Circuit Analysis of Network Theory

1 Answer

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Correct choice is (c) 32

To elaborate: The equivalent resistance between node 1 and node 3 in the star connected circuit is R =(10×10+10×11+11×10)/10=32Ω.

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