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

101. When a lead acid cell is in fully charged condition the positive and negative plates are similar.



102. Two capacitors of 1 μF and 2 μF capacitance are connected in parallel across a 30 V dc battery. After the capacitors have been charged, the charges across the two capacitors will be





103. In figure, the battery has remained switched on for a long time. At t = 0 the switch is closed. The current i(t) is likely to be





104. A thermistor is used for





105. In a series RLC circuit excited by e = Em sin ωt is seen that LC < 1/ω2. Then





106. I started a job in sales after I ......... College.?





107. When a lead acid battery is being charged, the specific gravity of the electrolyte





108. Assertion (A): The response of a network to unit impulse can be obtained directly from the network function.Reason (R): The response of a network for any input can be obtained from impulse response.





109. In the circuit shown in figure, for different values of R, the values of V and I are given. Other elements remaining the same. when R = ∞, V = 5 volt R = 0, I = 2.5 AR = 3 Ω, the value of V is given by





110. Which statement is true for an ac circuit?





111. Three inductors each 30 mH are connected in delta. The value of inductance or each arm of equivalent star is





112. If the iron core of a coil is removed so that it becomes an air cored coil, its inductance





113. In figure, E = 1 V (rms value). The average power is 250 mW. Then phase angle between E and I is





114. Given Is = 20 A, Vs = 20 V, the current I in the 3 Ω resistance is given by





115. A square current wave of magnitude 1 A is applied to an element for 5 seconds. The voltage across the element rises linearly from 0 to final value linearly. The element is





116. A periodic voltage v(t) = 1 + 4 sin ωt + 2 cos ωt is applied across a 1 ohm resistance. The power dissipated is





117. A constant k high pass p section has a characteristic impedance of 300 Ω at f = ∞ . At f = fc, the characteristic impedance will be





118. If A = 4∠7°, A2 is





119. Zinc oxide is a non-linear resistance.



120. Raman effect is due to?





121. Figure shows a dc circuit. The Thevenin's equivalent circuit at terminals a - b is


122. The dependent current source shown in given figure.





123. The current flowing through the resistance R in the circuit in the figure has the form 2 cos 4t, where R is





124. Energy = voltage x charge.



125. A coil is wound having a diameter d. Its inductance is 10 mH. If it is rewound on the same core with a wire having diameter 0.5 d and total weight of the wire is the same as before, the inductance will be





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