GATE ECE
Network Theory
Network Elements
Previous Years Questions

## Marks 1

The current I in the circuit shown is _________. ...
Consider the circuit shown in the figure. The current I flowing through the 10 $$\Omega$$ resister is ___________. ...
Consider the circuit shown in the figure.The current I flowing through the 7$$\Omega$$ resistor between P and Q (rounded off to one decimal place) is ...
A connection is made consisting of resistance A in series with a parallel combination of resistances B and C. Three resistors of value 10 Ω, 5 Ω, 2 Ω ...
In the given circuit, the values of V1 and V2 respectively are ...
The circuit shown in the figure represents a ...
In the figure shown, the value of the current I (in Amperes) is __________. ...
Consider the configuration shown in the figure which is a portion of a larger electrical network For R = 1 Ω and currents i1 = 2A, i4 = -1A, i5 = -...
Consider a delta connection of resistors and its equivalent star connection as shown below. If all elements of the delta connection are scaled by a fa...
In the circuit shown below, current through the inductor is ...
The independence looking into nodes 1 and 2 in the given circuit is ...
The average power delivered to an impedance $(4-j 3) \Omega$ by a current $5 \cos (100 \pi t+100) A$ is
In the interconnection of ideal sources shown in the figure, it is known that the 60V source is absorbing power. Which of the following can be the va...
The equivalent inductance measured between the terminals 1 and 2 for the circuit shown in figure, is ...
The differential equation for the current i(t) in the circuit of Fig. is ...
The dependent current source shown in Figure ...
The voltage e0 in Fig. is ...
In the circuit of Fig., the votage v(t) is ...
In the circuit of Fig., the value of the voltage source E is ...
The Nodal method of circuit analysis is based on
The voltage across the terminals a and b in Fig. is ...
The current "i4" in the circuit of Fig. is equal to ...
The voltage V in Fig. is equal to ...
The voltage V in Fig. is always equal to ...
The voltage V in Fig. is ...
Two 2H inductance coils are connected in series and are also magnetically coupled to each other the coefficient of coupling being 0.1.The total induct...
A dc circuit shown in figure has a voltage source V, a current source I and several resistors. A particular resistor R dissipates a power of 4 Watts w...

## Marks 2

Consider the network shown below with R1 = 1 $$\Omega$$, R2 = 2 $$\Omega$$ and R3 = 3 $$\Omega$$. The network is connected to a constant voltage so...
In the figure shown, the current i (in ampere) is ______. ...
In the given circuit, each resistor has a value equal to 1 Ω. What is the equivalent resistance across the terminals a and b?...
In the circuit shown in the figure, the magnitude of the current (in amperes) through R2 is___________. ...
For the Y-network shown in the figure, the value of R1 (in Ω) in the equivalent ∆ -network is ________. ...
In the magnetically coupled circuit shown in the figure, 56 % of the total flux emanating from one coil links the other coil. The value of the mutual ...
A Y-network has resistances of 10Ω each in two of its arms, while the third arm has a resistance of 11Ω in the equivalent ∆ − network, the lowest valu...
Two magnetically uncoupled inductive coils have Q factors q1 and q2 at the chosen operating frequency. Their respective resistances are R1 and R2. Whe...
Three capacitors C1 ,C2 and C3 whose values are 10 µF, 5µF and 2µF respectively, have breakdown voltages of 10V, 5V, and 2V respectively. For the inte...
Consider the following figure The current IS in Amps in the voltage source, and voltage VS in Volts across the current source respectively, are...
Consider the following figure The current in the 1Ω resistor in Amps is ...
If VA - VB = 6 V then VC - VD is ...
In the circuit shown below, the current I is equal to ...
In the circuit shown, the power supplied by the voltage source is ...
Impedance Z as shown in the figure is: ...
Twelve 1Ω resistances are used as edges to form a cube. The resistance between two diagonally opposite corners of the cube is
For the circuit in Fig. the voltage V0 is ...
A network contains linear resistors and ideal voltage sources. If values of all the resistors are doubled, then the voltage across each resistor is ...
The two electrical sub-network N1 and N2 are connected through three resistors as shown in figure. The voltage across 5 Ω resistor and 1 Ω resistor ...
Of the four networks, N1,N2, N3 and N4 of figure, the networks having identical driving point functions are ...
A square waveform as shown in the figure is applied across 1 mH ideal inductor.The current through the inductor is a triangular wave of .................

## Marks 5

An infinite grid is built up by connecting resistors in the manner indicated in figure, where each branch represents one ohm resistor. Calculate the e...
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