Explore topic-wise MCQs in Networks Analysis and Synthesis.

In an R-L-C circuit, v(t) = 20 sin (314 t + 5 p/6) and i(t) = 10 sin (314 t + 2p/3). The p.f of the circuit is

A circuit is replaced by its Thevenin's equivalent to find current through a certain branch. If VTH = 10 V and RTH = 20 , the current through the branch

A two branch parallel tuned circuit has a coil of resistance 100 and inductance 0.005 H in one branch and 10 nF capacitor in the second branch. At resonance frequency is

Wave A = 100 sin t and wave B = 100 cos t. Then

and i(t) is a unit step, then V(t) in the steady state is given by

For a transmission line open circuit and short circuit impedances are 20 and 5 . Then characteristic impedance is

The driving-point impedance Z(s) of a network has a pole-zero locations as shown in the figure. If Z(0) = 3, then Z (s) is

When a current source I is suddenly connected across a two terminal relaxed RC circuit at time t = 0, the voltage across the current source is shown in figure. The RC circuit is

The degree of the nodes 1, 2, 3, 4 is

A 3 phase balanced supply feeds 3 phase unbalanced load. Power supplied to the load can be measured by using

1.2 wattmeter

2.one wattmeter

3.3 wattmeter

Which of the above statements is correct?

C = (2) (energy)/V2

Which of the following pairs are correctly matched?

1.Brune's realisation : realisation with ideal transformer.

2.Cauer realisation : ladder realisation.

3.Bott Duffin realisation : with non ideal transformer.

Select the answer using the following codes:

In an R-C series circuit excited by a voltage E, the charge across capacitor at t = 0+ is

Z(c) for the network shown in the figure is The value of C and R are, respectively

System function , For a signal sin 2t, the steady state response is

In the given circuit, viewed from AB, the circuit can be reduced to an equivalent circuit as

A network has two branches in parallel. One branch contains impedance Z1 and the other branch has impedance Z2. If it is fed from an ac voltage V of frequency f, the current through Z1 depends, on

A capacitor is needed for an ac circuit of 230 V, 50 Hz the peak voltage rating of the capacitor should be

A two branch parallel circuit has a 20 resistance and 1 H inductance in one branch and a 100 F capacitor in the second branch. It is fed from 100 V ac supply, at resonance, the input impedance of the circuit is

The impedance of an RC series circuit is 12 at f= 50 Hz. At f= 200 Hz, the impedance will be

In an RC series circuit R = 100 and XC = 10 . In this circuit

Assertion (A): The number of basic loops is equal to number of links.

Reason (R): The graph theory helps in choosing independent variables in circuit analysis.