Consider the following measurements on a two-terminal network:1. When a voltage of 100∠0° volts is applied at the input port with output port open, I1 = 20∠0° A and V2 = 25∠0° V.2. When a voltage of 100∠0° volts applied at output port with input port open, I2 = 10∠0° A and V1 = 50∠0° V.The driving point impedances Z11, Z22 and transfer impedances Z21, Z12 respectively are

Consider the following measurements on a two-terminal network:1. When

1.	Consider the following measurements on a two-terminal network:1. When a voltage of 100∠0° volts is applied at the input port with output port open, I1 = 20∠0° A and V2 = 25∠0° V.2. When a voltage of 100∠0° volts applied at output port with input port open, I2 = 10∠0° A and V1 = 50∠0° V.The driving point impedances Z11, Z22 and transfer impedances Z21, Z12 respectively are
A.	5 Ω, 10 Ω and 1.25 Ω, 5 Ω
B.	10 Ω, 5 Ω and 1.25 Ω, 5 Ω
C.	5 Ω, 1.25 Ω and 5 Ω, 10 Ω
D.	10 Ω, 1.25 Ω and 5 Ω, 5 Ω
Answer» B. 10 Ω, 5 Ω and 1.25 Ω, 5 Ω

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