Q161
Open questionA two port network is described by the relation
V1 = 2I1 + 3V2
I2 = -I1 + 2V2
Then Z-parameter of such network is
V1 = 2I1 + 3V2
I2 = -I1 + 2V2
Then Z-parameter of such network is
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ECE · all questionsNetwork Theory And Analysis
Network Theory And Analysis
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Q162
Open questionBrune's method of network synthesis is particularly used in
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Q163
Open questionThe inductor is a two-terminal energy storage device whose voltage is proportional to the:
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Q164
Open questionTwo coupled coils with self inductances of 4 mH and 16 mH are connected in series. The maximum possible value of inductances can be
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Q165
Open questionThe equivalent inductance of two inductances with mutual coupling in between connected in parallel having the following configuration is given by
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Q166
Open questionConsider the following circuit
For the above circuit, which one of the following statements is correct? The voltage V0 is independent of R, if the input signal frequency ω
For the above circuit, which one of the following statements is correct? The voltage V0 is independent of R, if the input signal frequency ω
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Q167
Open questionA sinusoidal voltage v(t) = 100sin1000t is applied a pure capacitor of 100 µF. The power is given by
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Q168
Open questionIn the circuit shown, if v(t) = 2sin(1000t) volts. R = 1 kΩ and C = 1 µF. Then the steady-state current i(t), in mili amperes (mA), is
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Q169
Open questionIf ID = 10 mA at VD = 1 V at a point of operation, then maximum power dissipation is
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Q170
Open questionMatch List-I with List-II and select the correct answer using the options given below:
| List-I | List-II |
| a. Internal impedance of an ideal current source is | 1. Forced response of the circuit |
| b. For attenuated natural oscillations, the poles of the transfer function must lie on the | 2. Natural response of the circuit |
| c. A battery with an e.m.f. E and internal resistance R delivers current to a load RL. Maximum power transferred is | 3. E2/4 R |
| d. The roots of the characteristic equation give | 4. E2/2 R |
| 5. Left hand part of the complex frequency plane | |
| 6. Right hand part of the complex frequency plane | |
| 7. Infinite | |
| 8. Zero |
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Q171
Open questionThe time rate of change of a current passed through a 1 mH inductor is 2 mA/s. This means that the voltage across the inductor is:
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Q172
Open questionA circuit consisting of two resistors, a capacitor and a battery is shown in the figure. In the steady state, the voltage across the capacitor would be:
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Q173
Open questionA 18 µf capacitor holding charge of Q coulomb is connected to the circuit at time t = 0 sec.
The time at which the capacitor will be discharged to approximately Q/2.72 coulombs.
The time at which the capacitor will be discharged to approximately Q/2.72 coulombs.
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Q174
Open questionA network has 10 nodes and 17 branches. The number of different node pair voltage would be
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Q175
Open questionThe ideal transformer CANNOT be described by:
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Q176
Open questionFor the given circuit, the currents i1 and i3 are
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Q177
Open questionA buffer amplifier has a gain of
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Q178
Open questionA certain network consists of two ideal voltage sources and a large number of ideal resistors. The power consumed in one of the resistor is 4 W when either of the two sources is active and the other is replaced by short-circuit. The power consumed by the same resistor, when both the sources are simultaneously active would be
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Q179
Open questionTwo coils X of 1000 turns and Y of 2000 turns are placed such that 60% of the flux produced by coil X links coil Y. A current of 1 A in coil X produces 0.1 mWb flux. The mutual inductance between the coils is
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Q180
Open questionIn the network shown in the figure, the switch had remained closed for a long time on the 10 V source side. At time t = 0, it is changed to the 12 V side, then after one time constant, the voltage across 5 Ω in the circuit will be
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