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Convert the given star network into Pi network and calculate the sum of all the resistances in the obtained Pi network.

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Convert the given star network into Pi network and calculate the sum of all the resistances in the obtained Pi network.

(a) 125.5Ω

(b) 122.5Ω

(c) 127.8Ω

(d) 129.8Ω

The question was asked in unit test.

The origin of the question is Measuring Resistance the Wheatstone Bridge and Delta-to-Wye (Pi-to-Tee) Equivalent Circuits topic in division Simple Resistive Circuits of Electric Circuits

1 Answer

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Best answer
Correct choice is (b) 122.5Ω

Easy explanation: Conversion of given network into delta gives the resistances.

After that sum of the resistances equals 122.5Ω.

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