51. The current in resistor R shown in the figure will be
52. If two identical first order low-pass filters are cascaded non interactively, then the unit step response of the composite filter will be
53. Find the equivalent resistance R for the network shown in the figure.
54. The driving point impedance of the following network
is given by $$Z\left( s \right) = \frac{{0.2s}}{{{s^2} + 0.1s + 2}}.$$ The component values are
is given by $$Z\left( s \right) = \frac{{0.2s}}{{{s^2} + 0.1s + 2}}.$$ The component values are
55. Two identical two-port networks having transmission matrix \[\left[ {\begin{array}{*{20}{c}}
{\text{A}}&{\text{B}} \\
{\text{C}}&{\text{D}}
\end{array}} \right]\] are cascaded. What will be the resultant transmission matrix of the cascade?
56. Reciprocity theorem is applicable to
57. A bulb rated at 50 W, 100 V is used for 40 minutes. The charge associated with this operation is
58. A particular current is made up of two components a 10 A dc and a sinusoidal current of peak value of 14.14 A. The average value of the resultant current is
59. The voltage applied to an R-L circuit at t = 0 when switch is closed at 100cos(100t + 30°). The circuit resistance is 80 Ω and inductance is 0.6 H (in which initial current is zero). What is the maximum amplitude of current flowing through the circuit?
60. The maximum number of trees of the graph in figure is
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