Q261
Open questionFind Pin for an amplifier with a power gain of 20 and an output power of 1 W.
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ECE · all questionsNetwork Theory And Analysis
Network Theory And Analysis
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Q262
Open questionA 10 Ω resistor, a 1 H inductor and 1 µF capacitor are connected in parallel. The combination is driven by a unit step current. Under the steady state condition, the source current flow through:
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Q263
Open questionA network N consists of resistors, dependent and independent voltage and current sources. If the current in one particular resistance is I A, it will be doubled if the values of all the
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Q264
Open questionThe number of branches in a network is b, the number of nodes is n and number of dependent loop is . The number of independent current equations will be
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Q265
Open questionTwo two-port networks are connected in parallel. The combination is to be represented as a single two-port network. The parameters of this network are obtained by addition of the individual
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Q266
Open questionAverage value of the waveform is:
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Q267
Open questionThe constant voltage source is
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Q268
Open questionWhat is the value of C such that equivalent capacitance across x-y is 5F.
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Q269
Open questionWhich of the following filter has the fastest roll-off?
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Q270
Open questionIn an RC network having 3 loops, the size of the plant matrix A is:
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Q271
Open questionWhich one of the following theorems can be conveniently used to calculate the power consumed by the 10 Ω resistor in the network shown in the figure below?
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Q272
Open questionWith 10 V DC connected at port A in the linear nonreciprocal two port network shown below, the following were observed
1. 1 Ω connected at port B draws a current of 3 A
2. 2.5 Ω connected at port B draws a current of 2 A
The current drawn by 7 Ω connected at port B
1. 1 Ω connected at port B draws a current of 3 A
2. 2.5 Ω connected at port B draws a current of 2 A
The current drawn by 7 Ω connected at port B
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Q273
Open questionThe open circuit parameters of 2-port network N shown in the figure, are \left[ {\begin{array}{*{20}{c}}
{{{\text{Z}}_{11}}}&{{{\text{Z}}_{12}}} \\
{{{\text{Z}}_{21}}}&{{{\text{Z}}_{22}}}
\end{array}} \right]. When the network is extended by a resistance R as shown in the figure, the input impedance of the network at points A, B will be
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Q274
Open questionThe time constant of the network shown in the given figure is given by
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Q275
Open questionFor non-inverting adder, which theorem is applicable to determine the expression for output voltage?
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Q276
Open questionFor a certain load, the true power is 100 W and the reactive power is 100 VAR. What is the apparent power?
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Q277
Open questionWhat power absorbed by R
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Q278
Open questionFor the circuit shown in figure
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Q279
Open questionR and C are connected in parallel across a sinusoidal voltage source of 240 V. If the currents through the source and the capacitor are 5 A and 4 A respectively, what is the value of R?
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Q280
Open questionFor the circuit shown in the below figure, what is the natural frequency?
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