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Which of the following is an example of neither intrinsic nor extrinsic property?

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Which of the following is an example of neither intrinsic nor extrinsic property?

(a) Mass

(b) Electrical resistance (Series)

(c) Electrical resistance (Parallel)

(d) Temperature

I have been asked this question in class test.

This key question is from Thermodynamic Preliminaries in chapter Material Balance of Bioprocess Engineering

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Correct answer is (c) Electrical resistance (Parallel)

To explain: When two wires with electrical resistances R1 and R2 are connected in series than the total resistance is an extensive quantity Rtotal = R1 + R2, but when the wires are connected in parallel the total resistance is not extensive 1/Rtotal = 1/R1 + 1/R2. Therefore, electrical resistance is not an extensive nor intensive quantity.

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