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In determining open circuit impedance parameters, among V1, V2, I1, I2, which of the following are independent variables?

(a) I1 and V2

(b) V1 and I2

(c) I1 and I2

(d) V1 and V2

The question was asked in an online quiz.

My question is taken from Open Circuit Impedence(Z) Parameters in portion Two-Port Networks of Network Theory

Select the correct answer from above options

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1 Answer

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The correct option is (c) I1 and I2

The best I can explain: In determining open circuit impedance parameters, among V1, V2, I1, I2; I1 and I2 are independent variables and V1, V2 are dependent variables. Independent variables are the variables that do not depend on any other variable.
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