Network Analysis (EX-304) - Important Questions

Define and explain basic network topology concepts such as graph, oriented graph, tree, co-tree, twigs, links, branch, tie-set, cut-set and dual networks with suitable examples.

Find the mesh currents i1 and i2 and branch current/voltage in the circuit shown in figure using mesh analysis.

Find the node voltages and branch current in the circuit shown in figure using nodal analysis.

An R-C series circuit is suddenly excited by a step voltage V; derive the expression for current as a function of time and sketch current vs time.

Find the current/voltage in the circuit shown in figure using the superposition theorem.

Find the load resistance/impedance for maximum power transfer using Thevenin equivalent and calculate the maximum power transferred in the circuit shown in figure.

Find the Thevenin equivalent circuit and load voltage/current/power for the circuit shown in figure using Thevenin's theorem.

Using Laplace transform, find the transient current i(t) in the switched RLC circuit shown in figure with given initial conditions at t = 0-.

Write the time-domain expression for the waveform shown in figure occurring once and find its Laplace transform V(s).

State and explain the initial value theorem and final value theorem of Laplace transform with suitable example.

Determine the trigonometric Fourier series expansion for the periodic waveform shown in figure.

Find the exponential Fourier series for the periodic waveform shown in figure.

Obtain the Z-parameters of the two-port network shown in figure.

For the given two-port network with known Z-parameters, find the ABCD and h-parameters.

Obtain the Y-parameters for the circuit shown in figure.

Explain series resonance and parallel resonance with frequency response characteristics and derive the resonant frequency.