55101. Assertion (A): As per Miller theorem a capacitance C from input to output appears as a much larger capacitance across input terminalsReason (R): In a lag network the output voltage appears across capacitor
55102. When a transistor is connected in common emitter mode, it with have
55103. One of the first developments that marked the beginning of the Modern Age was?
55104. The signal input to a given amplifier is made up of 100 mΩ signal power and 1 mΩ noise power. The amplifier contributes an additional 100 mΩ of noise and has a power gain of 20 dB. The input signal-to noise ratio is
55105. Assertion (A): A good op-amp should have very large band widthReason (R): An ideal op-amp should have infinite input resistance and zero output resistance
55106. In all base driver amplifiers
55107. The horizontal intercept of dc load line is the same as ideal
55108. It was not difficult to park the car in front of the theatre(gerund)
55109. In deriving ac equivalent circuit for an amplifier circuit we short circuit
55110. Give the Plural form:Sheep
55111. Which of the following amplifier circuit using junction transistor has the best gain?
55112. In an op-amp differentiator
55113. In switching devices, gold doping is used to
55114. In a BJT amplifier circuit the size of coupling capacitor depends on
55115. ......... is the highest battle field in the world.?
55116. A silicon sample A is doped with 1018 Atoms/cm3 of Boron. Another sample B of identical dimensions is doped with 1018 atoms/cm3 of phosphorus. The ratio of electron to hole mobility is 3. The ratio of conductivity of the sample A to B is
55117. Which of the following circuit has the greatest bandwidth?
55118. A FET is a __________ controlled device whereas a bipolar transistor is a __________ controlled device.
55119. Two identical FETs, each characterised by the parameters gm and rd are connected in parallel. The composite FET is then characterised by the parameters
55120. Assertion (A): If power gain doubles the power gain increases by 3 dBReason (R): The bel power gain of cascaded stages is equal to sum of each bel power gain
55121. The V MOS can handle __________ currents than a conventional MOSFET.
55122. Assertion (A): A resistor is a passive load and a transistor is an active loadReason (R): Op-amp is mostly used in feedback mode
55123. Which mode is usually preferred for cascading?
55124. A certain transistor has a dc of 0.98 and a collectors leakage current of 5 μA. If IE = 1 mA, the base current will be
55125. To prevent a DC return between source and load, it is necessary to use
55126. For a base current of 10 μA, what is the value of collector current in common emitter if βdc = 100
55127. Which of the following oscillators is suitable for frequencies in the range of mega hertz?
55128. If the input to the ideal comparator shown in the figure is a sinusoidal signal of 8 V (peak to peak) without any DC component, then the output of the comparator has a duty cycle of
55129. A half wave diode circuit using ideal diode has an input voltage 20 sin ωt volts. Then average and rms values of output voltage are
55130. Change the Gender Goose
55131. Use the Prefix and Suffix:Forget
55132. Give the Synonym:Predict
55133. Give the Antonym:Hereditary
55134. Fill up the blanks from the choices given:Five thousand rupees ......... collected from the public.?
55135. Which of the following is an insectivorous plant?
55136. If a system is to follow arbitrary inputs accurately the bandwidth should be
55137. For the system of the given figure, the damping ratio of closed loop poles is
55138. Assertion (A): Potentiometers can not be used as error detectors in position control systems.Reason (R): The resolution of a potentiometer places an upper limit on its accuracy
55139. For a first order system having transfer function , the unit impulse response is
55140. Only ......... people are ......... after death.?
55141. A stepper motor is
55142. In a two phase ac servomotor rotor resistance is R and rotor reactance is X. The speed curve will be linear if
55143. In the given figure, the input frequency is such that R = XC. Then
55144. From the noise point of view, bandwidth should
55145. First column elements of Routh's tabulation are 3, 5, , 2. It means that there
55146. When a unit step voltage drives a lag network the output
55147. Use the Collective noun:Fish
55148. ------- is the shoot modified for reproductive purposes?
55149. A system has its two poles on the negative real axis and one pair of poles lies on jω axis. The system is
55150. In the given figure the input frequency is such that R << Xc, then