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Find the Z – parameter Z11 in the circuit shown below.

(a) 1

(b) 1.5

(c) 2

(d) 2.5

I have been asked this question in exam.

Question is from Open Circuit Impedence(Z) Parameters topic in division 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 choice is (d) 2.5

The best explanation: For determining Z11, the current I2 is equal to zero. Now we obtain Zeq as 1 + (6×2)/(6+2)=2.5Ω. So, Z11 = 2.5Ω.

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