The circuit below is excited by a sinusoidal source. The value of R, in , for which the admittance of the circuit becomes a pure conductance at all frequencies is _____________.

In the circuit shown below, if the source voltage  then the Thevenin’s equivalent voltage in volts as seen by the load resistance  is

In the figure the current source is 1∠0 A, R=1Ω, the impedances are , and .  The Thevenin equivalent looking into the circuit across X-Y is

In the Figure.

        .

The thevenin impedance seen from X-Y is

An electrical network is fed by two ac sources, as shown Figure. Given that ,  and .  Obtain the Thevenin equivalent circuit (Thevenin voltage and impedance) across terminals x and y, and determine the current  through the load .

Predict the current I in figure in response to a voltage of  . The impedance values are given in ohms. Use the thevenin’s theorem.

Currents , and   meet at a junction (node) in a circuit. All currents are marked as entering the node.

If  and , then  will be

In the network system shown in figure, find the current through  using nodal method. The values of voltages are given in volts and the impedances are given in ohms.

In the figure shown,  are ideal ammeters. If  read 5 and 13A respectively, reading of  will be