electronics-and-communication-engineering-networks-analysis-and-synthesis Related Question Answers

76. If operator 'a' = 1 ∠120° then (1 - a) =





77. A system is at rest for t < 0. It is given by If steady state is reached at t = 0, then the value of angle A is given by





78. In the circuit of figure the current through C at t = ∞ is





79. The average value of the waveform is





80. An RLC series circuit has Q = 100 and ω0 = 20 rad/sec. The bandwidth is





81. For making a capacitor, the dielectric should have





82. In an unloaded transformer, the fluxes limiting the primary and secondary are 30 mWb and 20 mWb. The coefficient of coupling is





83. Heat in calories = I2Rt/4.186.



84. Poles and zeros of a driving point function of a network are simple and alternate on jω axis. The network consists of





85. For the circuit in figure, fed by a unit step voltage, vc =





86. For the network of figure, z11 =





87. The units for apparent power are watts.



88. In a series RLC circuit the phase angle θ of impedance Z ∠θ is positive. The circuit will behave as





89. If A = 3 + j1, A4 =





90. In a two terminals network the O.C. voltage measured at the given terminals is 100 V and s.c., currents at the same terminals 5 A. If a load of 80 Ω resistance is connected at the terminals, load current is





91. Figure shows a dc circuit fed by a current source. With respect to terminals AB, Thevenin's voltage and Thevenin's resistance are





92. Colour code of carbon resistors has only two bands.



93. A coil has resistance R and inductance L. At ω = ∞ the phase angle between voltage and current is





94. In figure, the value of R should be





95. An RLC series circuit has R = 7.07 Ω, L = .707 H and C = 7.07 μF. At Half power frequencies the circuit impedance is likely to be





96. In a series R, L, C circuit the impedance triangle is the same when XL < XC and XL > XC .



97. The zinc can of a dry cell serves as positive terminal.



98. Two similar coils have self inductance of 1 mH each. Coefficient of coupling is 0.5. The mutual inductance M is





99. Who has been conferred with the ‘Orders of the Rising Sun, Gold and Silver Star” award?





100. In figure, the current iL at t = ∞ is



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