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This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Network Theory knowledge and support exam preparation. Choose a topic below to get started.
1. |
For a T-network if the Open circuit impedance parameters are given as z11, z21, z12, z22, then z22 in terms of Inverse Hybrid parameters can be expressed as ________ |
A. | z<sub>22</sub> = ( frac{1}{g_{11}} ) |
B. | z<sub>22</sub> = ( frac{g_{12}}{g_{11}} ) |
C. | z<sub>22</sub> = ( frac{g_{21}}{g_{11}} ) |
D. | z<sub>22</sub> = ( left(g_{22} frac{g_{21} g_{12}}{g_{11}} right) ) |
Answer» E. | |
2. |
For a T-network if the Open circuit impedance parameters are given as z11, z21, z12, z22, then z12 in terms of Inverse Hybrid parameters can be expressed as ________ |
A. | z<sub>12</sub> = ( frac{1}{g_{11}} ) |
B. | z<sub>12</sub> = ( frac{g_{12}}{g_{11}} ) |
C. | z<sub>12</sub> = ( frac{g_{21}}{g_{11}} ) |
D. | z<sub>12</sub> = ( left(g_{22} frac{g_{21} g_{12}}{g_{11}} right) ) |
Answer» C. z<sub>12</sub> = ( frac{g_{21}}{g_{11}} ) | |
3. |
For a T-network if the Open circuit impedance parameters are given as z11, z21, z12, z22, then z11 in terms of Inverse Hybrid parameters can be expressed as ________ |
A. | z<sub>12</sub> = ( frac{1}{g_{11}} ) |
B. | z<sub>12</sub> = ( frac{g_{12}}{g_{11}} ) |
C. | z<sub>12</sub> = ( frac{g_{21}}{g_{11}} ) |
D. | z<sub>12</sub> = ( left(g_{22} frac{g_{21} g_{12}}{g_{11}} right) ) |
Answer» B. z<sub>12</sub> = ( frac{g_{12}}{g_{11}} ) | |
4. |
A 10 F capacitor is charged from a 5 volt source through a resistance of 10 k . The charging current offer 35 m sec. If the initial voltage on C is 3 V is ___________ |
A. | 0.56 mA |
B. | 5.6 mA |
C. | 6 mA |
D. | 5 A |
Answer» B. 5.6 mA | |
5. |
A triangular Pulse of 50 V peak is applied to a capacitor of 0.1 F. The change of the capacitor and its waveform shape is ___________ |
A. | 10 rectangular |
B. | 5 rectangular |
C. | 5 triangular |
D. | 10 triangular |
Answer» D. 10 triangular | |
6. |
A resistance and an inductance are connected in parallel and fed from 50 Hz ac mains. Each branch takes a current of 5 A. The current supplied by source is ____________ |
A. | 10 A |
B. | 7.07 A |
C. | 5 A |
D. | 0 A |
Answer» C. 5 A | |
7. |
Permeability is analogous to _____________ |
A. | Conductivity |
B. | Resistivity |
C. | Retentivity |
D. | Coercivity |
Answer» B. Resistivity | |
8. |
For a T-network if the Open circuit impedance parameters are given as z11, z21, z12, z22, then z22 in terms of Hybrid parameters can be expressed as ________ |
A. | z<sub>22</sub> = ( left(h_{11} frac{h_{21} h_{12}}{h_{22}} right) ) |
B. | z<sub>22</sub> = ( frac{h_{21}}{h_{22}} ) |
C. | z<sub>22</sub> = ( frac{h_{12}}{h_{22}} ) |
D. | z<sub>22</sub> = ( frac{1}{h_{22}} ) |
Answer» E. | |
9. |
For a T-network if the Open circuit impedance parameters are given as z11, z21, z12, z22, then z12 in terms of Hybrid parameters can be expressed as ________ |
A. | z<sub>12</sub> = ( left(h_{11} frac{h_{21} h_{12}}{h_{22}} right) ) |
B. | z<sub>12</sub> = ( frac{h_{21}}{h_{22}} ) |
C. | z<sub>12</sub> = ( frac{h_{12}}{h_{22}} ) |
D. | z<sub>12</sub> = ( frac{1}{h_{22}} ) |
Answer» D. z<sub>12</sub> = ( frac{1}{h_{22}} ) | |
10. |
For a T-network if the Open circuit impedance parameters are given as z11, z21, z12, z22, then z11 in terms of Hybrid parameters can be expressed as ________ |
A. | z<sub>11</sub> = ( left(h_{11} frac{h_{21} h_{12}}{h_{22}} right) ) |
B. | z<sub>11</sub> = ( frac{h_{21}}{h_{22}} ) |
C. | z<sub>11</sub> = ( frac{h_{12}}{h_{22}} ) |
D. | z<sub>11</sub> = ( frac{1}{h_{22}} ) |
Answer» B. z<sub>11</sub> = ( frac{h_{21}}{h_{22}} ) | |
11. |
For a T-network if the Open circuit impedance parameters are given as z11, z21, z12, z22, then z21 in terms of Hybrid parameters can be expressed as ________ |
A. | z<sub>21</sub> = ( left(h_{11} frac{h_{21} h_{12}}{h_{22}} right) ) |
B. | z<sub>21</sub> = ( frac{h_{21}}{h_{22}} ) |
C. | z<sub>21</sub> = ( frac{h_{12}}{h_{22}} ) |
D. | z<sub>21</sub> = ( frac{1}{h_{22}} ) |
Answer» C. z<sub>21</sub> = ( frac{h_{12}}{h_{22}} ) | |
12. |
For a T-network if the Short circuit admittance parameters are given as y11, y21, y12, y22, then y21 in terms of Hybrid parameters can be expressed as ________ |
A. | y<sub>21</sub> = ( left(- frac{h_{21} h_{12}}{h_{11}} + h_{22} right) ) |
B. | y<sub>21</sub> = ( frac{h_{21}}{h_{11}} ) |
C. | y<sub>21</sub> = ( frac{h_{12}}{h_{11}} ) |
D. | y<sub>21</sub> = ( frac{1}{h_{11}} ) |
Answer» C. y<sub>21</sub> = ( frac{h_{12}}{h_{11}} ) | |
13. |
A constant k high pass p section has a characteristic impedance of 300 at f = . At f = fc, the characteristic impedance will be? |
A. | 0 |
B. | |
C. | 300 |
D. | More than 300 |
Answer» C. 300 | |
14. |
A periodic voltage v (t) = 1 + 4 sin t + 2 cos t is applied across a 1 resistance. The power dissipated is ____________ |
A. | 1 W |
B. | 11 W |
C. | 21 W |
D. | 24.5 W |
Answer» C. 21 W | |