Open Circuit Impedence(Z) Parameters MCQ’s

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This set of Network Theory Multiple Choice Questions & Answers (MCQs) focuses on “Open Circuit Impedence(Z) Parameters”.

1. Two ports containing sources in their branches are called?
a) three port
b) one port
c) passive ports
d) active ports

2. In determining open circuit impedance parameters, among V1, V2, I1, I2, which of the following are dependent variables?
a) V1 and V2
b) I1 and I2
c) V1 and I2
d) I1 and V2

3. Two ports containing no sources in their branches are called?
a) active ports
b) passive ports
c) one port
d) three port

4. 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

5. Which of the following expression is true in case of open circuit parameters?
a) V2 = Z21I2 + Z22 I2
b) V2 = Z21I1 + Z22 I2
c) V1 = Z21I2 + Z22 I2
d) V1 = Z21I1 + Z22 I2

6. The value of Z21 in the circuit shown below?

network-theory-questions-bank-q7

a) 0
b) 1
c) 2
d) 3

7. Which of the following expression is true in case of open circuit parameters?
a) V1 = Z11 V1 + Z12 I2
b) V1 = Z11I1 + Z12 V2
c) V1 = Z11I1 + Z12 I2
d) V2 = Z11I1 + Z12 I2

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

network-theory-questions-bank-q7

a) 1
b) 1.5
c) 2
d) 2.5

9. Find the value of Z12 in the circuit shown below.

network-theory-questions-bank-q7

a) 3
b) 2
c) 1
d) 0

10. Determine the value of Z22 in the circuit shown below.

network-theory-questions-bank-q7

a) 0
b) 1
c) 2
d) 3

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