# The admittance parameter Y12.in the 2-port network in the given figure is

1.  -0.2 mho

2.  0.1 mho

3.  -0.05 mho

4.  0.05 mho

4

-0.05 mho

Explanation :
No Explanation available for this question

# A 2 – port network is driven by a source Vs = 100 V in series with 5Ω , and terminated in 25Ω resister . The impedance parameters are Thevenin equivalent circuit presented to the 25Ω resistor is

1.  80 V , 2.8 Ω

2.  160 V , 6.8 Ω

3.  100 V , 2.4 Ω

4.  120 V , 6.4 Ω

4

160 V , 6.8 Ω

Explanation :
No Explanation available for this question

# z parameter z11 and z21 for the 2 – port network shown in the given figure respectively are

1.  z11 = - 6/11 Ω ; z12 = 16/11 Ω

2.   z11 = 6/11 Ω ; z12 = 4/11 Ω

3.  z11 = 6/11 Ω ; z12 = - 16/11 Ω

4.  z11 = 4/11 Ω ; z12 = 4/11 Ω

4

z11 = 6/11 Ω ; z12 = - 16/11 Ω

Explanation :
No Explanation available for this question

# A two – port device is defined by the following pair of equation :i1 = 2 V1 + V2 ,and i2 = 2 V1 + V2.Its impedance parameters(z11 , z12 , z21 , z22) are given by

1.  (2 , 1 , 1 , 1)

2.  (1 , -1 , -1 , 2)

3.  (1 , 1 , 1 , 2)

4.  (2 , -1 , -1 , 1)

4

(1 , -1 , -1 , 2)

Explanation :
No Explanation available for this question

# A two port network shown in the figure is described by the following equations I1 = Y11 E1 + Y12 E2 I2 = Y21 E1 + Y22 E2 The admittance parameters Y11 , Y21 and Y22 for the networks shown are respectively

1.  0.5 mho , -1/6 mho , 2 mho and 1 mho

2.  1/3 mho , -1/6 mho , - 1/6 mho and /3 mho

3.  0.5 mho , 0.5 mho , 1.5 mho and 2 mho

4.  - 2/5 mho , -3/7 mho , 3/7 mho and 2/5 mho

4

1/3 mho , -1/6 mho , - 1/6 mho and /3 mho

Explanation :
No Explanation available for this question

# The network N shown in the figure may be described by the z-parameter . With port – 2 open G12 = V2/V1 is

1.  -Z21/Z11

2.  Z21/Z11

3.  -Z12/Z11

4.  Z12/Z11

4

Z21/Z11

Explanation :
No Explanation available for this question

# z and h parameters at the network shown in the given figure will be

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# The circuit shown in the given figure is in the steady state with the switch S closed. The current i(t) after S is opened at t = 0 is

1.  a decreasing exponential

2.  an increasing exponential

3.  a damped sinusoid

4.  oscillatory

4

an increasing exponential

Explanation :
No Explanation available for this question

# The sinusoidal steady – state voltage gain of the network shown in the given figure will have magnitude equal to 0.707 at an angular frequency of

1.  Zero

4

Explanation :
No Explanation available for this question

# In the circuit shown in the given figure , G12 = V2/V1 =

1.  y21/(y22+YL)

2.  -y21/(y22+YL)

3.  y12/(y22+YL)

4.  -y13/(y22+YL)

4