Networks Analysis and Synthesis Questions

• The time constant of the circuit in figure shown.
• The rms value of wave in figure is
• A current is flowing through a conductor with non-uniform area of cross-section. Then
• In an RC series circuit R = 100 Ω and XC = 10 Ω. In this circuit
• In the circuit of figure, the switch is closed at t = 0. At t = 0+ the current through C is
• The current rating of a cable depends on
• Henry is equivalent to
• 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 electrical energy required to heat a bucket of water to a certain temperature is 2 kWh. If heat losses, are 25%, the energy input is
• The current wave shape shown in figure (1) is applied to a circuit element. The voltage across the element is shown in figure (2). The element is
• In the figure shown, A1, A2, A3 are identical Ammeters. If A1 and A3 read 5 and 13 A respectively, reading of A2 will be
• In an R-C series circuit excited by a voltage E, the charge across capacitor at t = 0+ is
• A two branch parallel circuit has a 20 Ω resistance and 1 H inductance in one branch and a 100 μF capacitor in the second branch. It is fed from 100 V ac supply, at resonance, the input impedance of the circuit is
• RMS value of i(t) = 10[1 + sin (- t)] is
• An infinite ladder is constructed with 1 Ω and 2 Ω resistors shown below.
• A 0.5 μF capacitor is connected across a 10 V battery. After a long time, the circuit current and voltage across capacitor will be
• The impedance matrices of two, two-port network are given by and . If these two networks are connected in series, the impedance matrix of the resulting two-port network will be
• , i(t) =
• The circuit in figure will act as ideal current source with respect to terminals A and B when frequency is
• In the circuit shown in given figure, the values of i(0+) and I(∞), will be respectively